حمّل تطبيق منهاجي الجديد

منهاجي صار أسرع من خلال التطبيق

  إجابات كتاب التمارين

إجابات كتاب التمارين

تكامل اقترانات خاصة

أجد كلاً من التكاملات الآتية:

(1) begin mathsize 20px style integral 4 e to the power of negative 5 x end exponent space d x end style

begin mathsize 20px style integral 4 e to the power of negative 5 x space end exponent d x equals negative 4 over 5 e to the power of negative 5 x end exponent plus C end style

(2) begin mathsize 20px style integral left parenthesis sin invisible function application space 2 x minus cos invisible function application space 2 x right parenthesis space d x end style

begin mathsize 20px style integral left parenthesis sin invisible function application space 2 x minus cos invisible function application space 2 x right parenthesis space d x equals negative 1 half cos invisible function application space 2 x minus 1 half sin invisible function application space 2 x plus C end style

(3) begin mathsize 20px style integral cos squared invisible function application space 2 x space d x end style

begin mathsize 20px style integral cos squared invisible function application space 2 x space d x equals 1 half integral left parenthesis 1 plus cos invisible function application space 4 x right parenthesis space d x equals 1 half x plus 1 over 8 sin invisible function application space 4 x plus C end style

(4) begin mathsize 20px style integral fraction numerator e to the power of x plus 4 over denominator e to the power of 2 x end exponent end fraction space d x end style

begin mathsize 20px style integral fraction numerator e to the power of x plus 4 over denominator e to the power of 2 x end exponent end fraction space d x equals integral left parenthesis e to the power of negative x end exponent plus 4 e to the power of negative 2 x end exponent right parenthesis space d x equals negative e to the power of negative x end exponent minus 2 e to the power of negative 2 x end exponent plus C end style

(5) begin mathsize 20px style integral left parenthesis fraction numerator cos invisible function application space x over denominator sin squared invisible function application space x end fraction minus 2 e to the power of x right parenthesis space d x end style

begin mathsize 20px style integral left parenthesis cot invisible function application space x csc invisible function application space x minus 2 e to the power of x right parenthesis space d x equals negative csc invisible function application space x minus 2 e to the power of x plus C end style

(6) begin mathsize 20px style integral left parenthesis 3 cos invisible function application space 3 x minus tan squared invisible function application space x right parenthesis space d x end style

begin mathsize 20px style table attributes columnalign right left right left right left right left right left right left columnspacing 0em 2em 0em 2em 0em 2em 0em 2em 0em 2em 0em end attributes row cell integral left parenthesis 3 cos invisible function application space 3 x minus tan squared invisible function application space x right parenthesis space d x end cell cell equals integral left parenthesis 3 cos invisible function application space 3 x minus left parenthesis sec squared invisible function application space x minus 1 right parenthesis right parenthesis space d x end cell row blank cell equals sin invisible function application space 3 x minus tan invisible function application space x plus x plus C end cell end table end style

(7) begin mathsize 20px style integral cos invisible function application space x left parenthesis 1 plus csc squared invisible function application space x right parenthesis space d x end style

begin mathsize 20px style table attributes columnalign right left right left right left right left right left right left columnspacing 0em 2em 0em 2em 0em 2em 0em 2em 0em 2em 0em end attributes row cell integral cos invisible function application space 3 x left parenthesis 1 plus csc squared invisible function application space x right parenthesis d x end cell cell equals integral cos invisible function application space x left parenthesis 1 plus fraction numerator 1 over denominator sin squared invisible function application space x end fraction right parenthesis space d x end cell row blank cell equals integral cos invisible function application space x plus cot invisible function application space x csc invisible function application space x space d x equals sin invisible function application space x minus csc invisible function application space x plus C end cell end table end style

(8) begin mathsize 20px style integral fraction numerator x squared plus x minus 4 over denominator x plus 2 end fraction space d x end style

begin mathsize 20px style integral fraction numerator x squared plus x minus 4 over denominator x plus 2 end fraction space d x equals integral left parenthesis x minus 1 minus fraction numerator 2 over denominator x plus 2 end fraction right parenthesis space d x equals 1 half x squared minus x minus 2 ln invisible function application space vertical line x plus 2 vertical line plus C end style

(9) begin mathsize 20px style integral fraction numerator 1 over denominator square root of e to the power of x end root end fraction space d x end style

begin mathsize 20px style integral fraction numerator 1 over denominator square root of e to the power of x end root end fraction space d x equals integral e to the power of negative 1 half x end exponent space d x equals negative 2 e to the power of negative 1 half x end exponent plus C end style

(10) begin mathsize 20px style integral left parenthesis fraction numerator 1 over denominator cos squared invisible function application space x end fraction plus 1 over x squared right parenthesis space d x end style

begin mathsize 20px style integral left parenthesis fraction numerator 1 over denominator cos squared invisible function application space x end fraction plus 1 over x squared right parenthesis space d x equals integral left parenthesis sec squared invisible function application space x plus x to the power of negative 2 end exponent right parenthesis space d x equals tan invisible function application space x minus 1 over x plus C end style

(11) begin mathsize 20px style integral fraction numerator x squared minus 2 x over denominator x cubed minus 3 x squared end fraction space d x end style

begin mathsize 20px style integral fraction numerator x squared minus 2 x over denominator x cubed minus 3 x squared end fraction space d x equals 1 third integral fraction numerator 3 x squared minus 6 x over denominator x cubed minus 3 x squared end fraction space d x equals 1 third ln invisible function application space vertical line x cubed minus 3 x squared vertical line plus C end style

(12) begin mathsize 20px style integral ln invisible function application space e to the power of cos invisible function application space x end exponent space d x end style

begin mathsize 20px style integral ln invisible function application space e to the power of cos invisible function application space x end exponent space d x equals integral cos invisible function application space x space d x equals sin invisible function application space x plus C end style

(13) begin mathsize 20px style integral sin squared invisible function application space x over 2 space d x end style

begin mathsize 20px style integral sin squared invisible function application space x over 2 space d x equals 1 half integral left parenthesis 1 minus cos invisible function application space x right parenthesis space d x equals 1 half left parenthesis x minus sin invisible function application space x right parenthesis plus C end style

(14) begin mathsize 20px style integral fraction numerator 3 over denominator 2 x minus 1 end fraction space d x end style

begin mathsize 20px style integral fraction numerator 3 over denominator 2 x minus 1 end fraction space d x equals 3 over 2 integral fraction numerator 2 over denominator 2 x minus 1 end fraction space d x equals 3 over 2 ln invisible function application space vertical line 2 x minus 1 vertical line plus C end style

(15) begin mathsize 20px style integral fraction numerator 3 minus 2 cos invisible function application space 1 half x over denominator sin squared invisible function application space 1 half x end fraction space d x end style

begin mathsize 20px style table attributes columnalign right left right left right left right left right left right left columnspacing 0em 2em 0em 2em 0em 2em 0em 2em 0em 2em 0em end attributes row cell integral fraction numerator 3 minus 2 cos invisible function application space 1 half x over denominator sin squared invisible function application space 1 half x end fraction space d x end cell cell equals integral left parenthesis 3 csc squared invisible function application space 1 half x minus 2 cot invisible function application space 1 half x csc invisible function application space 1 half x right parenthesis space d x end cell row blank cell equals negative 6 cot invisible function application space 1 half x plus 4 csc invisible function application space 1 half x plus C end cell end table end style

 

 

إعداد : شبكة منهاجي التعليمية

18 / 01 / 2023

النقاشات