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about to only mathematics...

about to only mathematics

A

`n^(2)(y^(2)-4)`

B

`n^(2)(4-y^(2))`

C

`n^(2)(y^(2)+4)`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
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ARIHANT MATHS ENGLISH-DIFFERENTIATION -Exercise (More Than One Correct Option Type Questions)
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  2. If f''(x)=-f(x) and g(x)=f^(prime)(x) and F(x)=(f(x/2))^2+(g(x/2))^2 a...

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  3. about to only mathematics

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  4. If x=f(t)cost-f^(prime)(t)sint and y=f(t)sint+f^(prime)(t)cost , then ...

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  5. If y=at^2+2bt-cand t = ax^2+2bx+c, then(d^3y)/(dx^3) equals

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  6. Differential coefficient of (x^((l+m)/(m-n)))^(1//(n-l))*(x^((m+n)/(n-...

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  7. if y=(A+Bx)e^(mx)+(m-1)^-1 e^x then (d^2y)/(dx^2)-2m(dy)/(dx)+m^2y is ...

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  8. If f(x)=cos^(-1)1/(sqrt(13))(2cosx-3sinx) +sin^(-1)1/(sqrt(13))x(2cos...

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  9. If f(x)=sqrt(x+2sqrt(2x-4))+sqrt(x-2sqrt(2x-4)) then the value of 10 f...

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  10. Let y=1n(1+cosx)^2 . Then the value of (d^2y)/(dx^2)+2/(e^(y/2)) equal...

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  11. If f(x)=(a+sqrt(a^2-x^2)+x)/(sqrt(a^2-x^2)+a-x) where a>0 then f'(0) ...

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  12. Let u/x a n dv(x) be differentiable functions such that (u(x))/(v(x))=...

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  13. If f(x) =|log(e)|x||, then f'(x) equals

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  14. If f(x) is given by f(x)=(cosx+i sinx)(cos3x+isin3x)......... .......

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  15. Let f(x)=x^(n) , n being a non-negative integer, The value of n for w...

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  16. If f(x)=sin{(pi)/(3)[x]-x^(2)}" for "2ltxlt3 and [x] denotes the grea...

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  17. The function u=e^x sin x ; v=e^x cos x satisfy the equation a.v(d u...

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  18. If f(x)=log(x^(2))(logx),then f '(x)at x= e is

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  19. Let f be a differentiable function satisfying [f(x)]^(n)=f(nx)" for ...

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  20. If y=f(x) is an odd differentiable function defined on (-oo,oo) such t...

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