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int2/((e^x+e^(-x))^2)\ dx (a) ( e^(-x))...

`int2/((e^x+e^(-x))^2)\ dx` (a) `( e^(-x))/(e^x+e^(-x))+C` (b) `-1/(e^x+e^(-x))+C` (c) `(-1)/((e^x+1)^2)+C` (d) `1/(e^x-e^(-x))+C`

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RD SHARMA ENGLISH-INDEFINITE INTEGRALS-All Questions
  1. int(sinx)/(3+4cos^2x)\ dx a. log(3+4cos^2x)+C (b) 1/(2sqrt(3))tan^(-1...

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  2. int e^x ((1-sinx)/(1-cosx)) dx= (A) e^xtan(x/2)+C (B) e^xcot(x/...

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  3. int2/((e^x+e^(-x))^2)\ dx (a) ( e^(-x))/(e^x+e^(-x))+C (b) -1/(e^x+e^...

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  4. int(e^x(1+x))/(cos^2(x e^x))\ dx= (a) 2(log)ecos(x e^x)+C (b) sec(x e...

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  5. Evaluateint(sin^2x)/(cos^4x)\ dx= (a)1/3tan^2x+C (b) 1/2tan^2x+C (...

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  6. The primitive of the function f(x)=(1-1/(x^2))a^(x+1/x)\ ,\ a >0 is ...

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  7. The value of int1/(x+xlogx)\ dx is (a)1+logx (b) x+logx (c) xlog(1...

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  8. intsqrt(x/(1-x))\ dx is equal to (a)sin^(-1)sqrt(x)+C (b) sin^(-1){...

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  9. Evaluate: inte^x(f(x)+f^(prime)(x))dx=e^xf(x)+C

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  10. The value of int(sinx+cosx)/(sqrt(1-sin2x))\ dx is equal to (a)sqrt(s...

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  11. If intxsinx\ dx=-xcosx+alpha, then alpha is equal to (a)sinx+C (b) c...

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  12. int(cos2x-1)/(cos2x+1)\ dx= (a)tanx-x+C (b) x+tanx+C (c) x-tanx+C...

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  13. int(cos2x-cos2theta)/(cosx-costheta)\ dx is equal to (a)2\ (sinx+xcos...

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  14. int(x^9dx)/((4x^2+1)^6) is equal to (a)1/(5x)(4+1/(x^2))^(-5)+c (b...

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  15. int(x^3)/(sqrt(1+x^2))\ dx=a(1+x^2)^(3setminus2)+bsqrt(1+x^2)+C , then...

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  16. int(x^3)/(x+1)\ dx is equal to (a)x+(x^2)/2+(x^3)/3-log|1-x|+C (b) ...

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  17. Ifint(dx)/((x+2)(x^2+1))=aln(1+x^2)+btan^(-1)x+1/5ln|x+2|+C Then a=1/...

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  18. Evaluate: int1/(sqrt(x)+sqrt(x+1))\ dx

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  19. Evaluate: int(1-x^4)/(1-x)\ dx

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  20. Evaluate: int(x+2)/((x+1)^3)\ dx

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