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In DeltaABC, let a=5, b=4 and cos (A-B=(...

In `DeltaABC,` let `a=5, b=4 and cos (A-B=(31)/(32)),` then which of the following statement (s) is (are) correct ?
[Note All symbols used have usuall meaning in a triangle]

A

`sqrt(6)`

B

`6sqrt(6)`

C

6

D

`(216)^(1//4)`

Text Solution

Verified by Experts

The correct Answer is:
C
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