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Question

Mathematics Question on Algebra

If tan (A + B) = m and tan (A - B) = n then value of tan 2A is

A

m+n1−mn\frac{m+n}{1-mn}

B

m+n1+mn\frac{m+n}{1+mn}

C

mn1−mn\frac{mn}{1-mn}

D

mn1+mn\frac{mn}{1+mn}

Answer

m+n1−mn\frac{m+n}{1-mn}

Explanation

Solution

The correct option is (A): m+n1−mn\frac{m+n}{1-mn}