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I : int (dx)/(sqrt(x)(x+9))=f(x)+c const...

I : `int (dx)/(sqrt(x)(x+9))=f(x)+c` constnat, then `f(x)=(2)/(3)Tan^(-1)((sqrt(x))/(3))`
II : `int (dx)/((x+100)sqrt(x+99))=f(x) +c rArr f(x)=2 Tan^(-1)sqrt(x+99)`

A

only I is true

B

only II is true

C

both I and II are true

D

neither I nor II true

Text Solution

Verified by Experts

The correct Answer is:
3
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