In a Delta ABC, tan.(A)/(2) = (5)/(6), t...

In a `Delta ABC, tan.(A)/(2) = (5)/(6), tan.(C )/(2) = (2)/(5)`, then :

A

a,c,b are in A.P

B

a,b,c are in A.P

C

b,a,c are in A.P

D

a,b,c are in G.P

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The correct Answer is:

B

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