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x= f(t), y= phi (t) then (d^(2)y)/(dx^(2...

`x= f(t), y= phi (t)` then `(d^(2)y)/(dx^(2))`= ……..

A

`(f_(1) (t) phi_(2) (t)- phi_(1) (t) f_(2) (t))/((f_(1) (t))^(2))`

B

`(f_(1) (t) phi_(2) (t)- phi_(1) (t) f_(2) (t))/((f_(1) (t))^(3))`

C

`(phi_(1) (t) f_(2) (t) - f_(1) (t) phi_(2) (t))/((f_(1) (t))^(3))`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
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