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Write all the possible auxiliary formula...

Write all the possible auxiliary formulae of `A=pi)R^(2)-r^(2))`

A

`R=sqrt((A-pir^(2))/(pi)),r=sqrt((R^(2)pi+A^(2))/(pi))`

B

`R=sqrt((A+pir^(2))/(pi)),r=sqrt((R^(2)pi-A)/(pi))`

C

`r=sqrt((A+pir^(2))/(pi)),R=sqrt((r^(2)pi-A)/(pi))`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
B
Make R and r as the subjects.
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