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If y+log(1+x)=0 which of the following i...

If `y+log(1+x)=0` which of the following is true?

A

`e^(y)=xy'-1`

B

`y'=-(1)/((x+1))`

C

`y'+e^(y)=0`

D

`y'=e^(y)`

Text Solution

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The correct Answer is:
B, C
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ARIHANT MATHS ENGLISH-DIFFERENTIATION -Exercise (More Than One Correct Option Type Questions)
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  7. Let f(x)=x^2+xg^2(1)+g^''(2) and g(x)=f(1).x^2+xf'(x)+f''(x), then fin...

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  8. if f(x) = x^n then the value of f(1) - (f'(1))/(1!) + (f''(1))/(2!) +...

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  9. If y+log(1+x)=0 which of the following is true?

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  10. If y=2^(3^(x)), then y' equals

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  11. If g is the inverse of fandf(x) = x^(2)+3x-3,(xgt0). then g'(1) equal...

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  13. Let y=sqrt(x+sqrt(x+sqrt(x+oo))) , (dy)/(dx) is equal to (a)1/(2y-1)...

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  14. Ify=x^((lnx)^ln(lnx)) , then (dy)/(dx) is equal to

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  15. Which of the following functions are not derivable at x=0?

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  16. "Let "f(x)=(sqrt(x-2sqrt(x-1)))/(sqrt(x-1-1))x." Then"

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  17. If 2^(x)+2^(y)=2^(x+y) then (dy)/(dx)is equal to

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  19. If sqrt(y+x)+sqrt(y-x)=c, where cne0, then (dy)/(dx) has the value equ...

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