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Let u(x) and v(x) be differentiable func...

Let u(x) and v(x) be differentiable functions such that
`(u(x))/(v(x))=7.if(u'(x))/(v'(x))=pand((u(x))/(v(x))) '=q," then "(p+q)/(p-q)` has the value equal to

A

1

B

0

C

7

D

-7

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A
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ARIHANT MATHS-DIFFERENTIATION -Exercise (More Than One Correct Option Type Questions)
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  12. If y=sqrt(x+sqrt(y+sqrt(x+sqrt(y+...oo)))), then (dy)/(dx) is equal to

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  13. If f(x)=|cosx-sinx| , then f'(pi/4) is equal to

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

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

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

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

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