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Let u(x) and v(x) be differentiable functions such that `(u(x))/(v(x))`=7. If `(u'(x))/(v'(x))`=p and `((u(x))/(v(x)))^(')`=q

A

1

B

0

C

7

D

3

Text Solution

Verified by Experts

The correct Answer is:
1

`u(x) = 7v(x)rArr (u(x))/(v(x))= 7=p`
`((u)/(v))= 0 =q`
`therefore (p+q)/(p-q) =(7 +0)/(7-0) =1`
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