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If r=e^(-mtheta) then (d^2r)/(d theta^2...

If `r=e^(-mtheta)` then `(d^2r)/(d theta^2)` is-

A

`me^(-mtheta)`

B

`-m^2e^(-mtheta)`

C

`m^2e^(-mtheta)`

D

`-me^(-mtheta)`

Text Solution

Verified by Experts

The correct Answer is:
C
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