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In the formula H=(2ab)/(a+b), if a=5 and...

In the formula `H=(2ab)/(a+b)`, if a=5 and H=8, then find the value of b.

A

20

B

`(18)/(13)`

C

` (1)/(20) `

D

` (13)/(18)`

Text Solution

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The correct Answer is:
A
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