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In triangle ABC, if A = 2B, and the side...

In triangle ABC, if A = 2B, and the sides opposite to the angles A, B, C are
`alpha+1,alpha-1andalpha` respectively, then `alpha` =

A

(a) 3

B

(b) 4

C

(c) 5

D

(d) 6

Text Solution

Verified by Experts

The correct Answer is:
C
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