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If l^(2)=r^(2)+h^(2), then the value of ...

If `l^(2)=r^(2)+h^(2)`, then the value of h is :

A

`pm sqrt(l^(2)-r^(2))`

B

`pm sqrt(r^(2)-l^(2))`

C

`pm sqrt(l^(2)+r^(2))`

D

`pmsqrt(l-r)`

Text Solution

Verified by Experts

The correct Answer is:
a
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