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If two chords having lengths a^2-1 and 3...

If two chords having lengths `a^2-1` and 3(a+1) where a is a constant
of a circle bisect each other, then the radius of the circle is

A

6

B

`15/2`

C

8

D

`19/2`

Text Solution

Verified by Experts

The correct Answer is:
B
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