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int(dx)/(sinx+sin2x) का मान ज्ञात कीजिए ...

`int(dx)/(sinx+sin2x)` का मान ज्ञात कीजिए ।

A

`1/6log(1-cosx)+1/2log(1+cosx)-2/3log(1+2cosx)+c`

B

`6log(1-cosx)+2log(1+cosx)-2/3log(1+2cosx)+c`

C

`6log(1-cosx)+1/2log(1+cosx)+2/3log(1+2cosx)+c`

D

None of these

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The correct Answer is:
A
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TARGET PUBLICATION-INTEGRATION-COMPETITIVE THINKING
  1. समाकलन करें int (xdx)/((x^(2)-a^(2))(x^(2)-b^(2)))dx.

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  2. If : int(2x^(2)+3)/((x^(2)-1)(x^(2)-4))dx=log[((x-2)/(x+))^(a).((x+1)/...

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  3. If : int(2x^(2)+3)/((x^(2)-1)(x^(2)-4))dx=log[((x-2)/(x+))^(a).((x+1)/...

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  4. int(5x^(2)+3)/(x^(2)(x^(2)-2))dx=

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  5. int1/(x^(6)+x^(4))dx is equal to

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  6. int(dx)/(e^(2x)-3e^(x))=

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  7. If int(x)/((x^(2)+1)(x-1))dx =Alogabs(x^(2)+1)+Btan^(-1)x+Clogabs(x-...

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  8. int(2x+3)/((x-1)(x^2+1))dx =loge{(x-1)^(5/2)(x^2+1)^a-1/2 tan^-1 x+C,x...

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  9. int(d x)/(x(x^4+1))=

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  10. int(dx)/(x^(3)+3x^(2)+2x)=

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  11. int(dx)/(sinx+sin2x) का मान ज्ञात कीजिए ।

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  12. If intf(x)/(logcosx)dx=-log(logcosx)+c, then f(x) is equal to

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  13. If int(f(x))/(log(sinx))dx=log[log sinx]+c, then f(x) is equal to

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  14. If intf(x)cosxdx=1/2[f(x)]^(2)+c," then " f(pi/2) is

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  15. If intf(x)*cosxdx=1/2{f(x)}^2+c, then f(0)= (A) 1 (B) 0 (C) -1 (D) non...

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  16. If f'(x)=2-5/x^(4) " and " f(1)=14/3, " then " f(-1)=

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  17. If intf(x)sinxcosxdx=(1)/(2(b^(2)-a^(2)))log{f(x)}+C then f(x) is equ...

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  18. If d/dx[f(x)]=xcosx+sinx " and " f(0)=2, then f(x)=

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  19. If intlog(x^(2)+x)dx=xlog(x^(2)+x)+A, then A=

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  20. If I(1)=intsin^(-1)xdx and I(2)sin^(-1)sqrt(-x^(2))dx, then

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