Math, asked by archit124, 11 months ago

in an ap prove that a(m+
n) +a(m-n)=2am

Answers

Answered by rejithashibus788

4

Answer:

Step-by-step explanation:

a(m+n)+a(m-n)=2am

(am+an)+(am-an)=2am

That is , am+an+am-an=2am

am+am+an-an=2am

am+am=2am

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