Math, asked by shyamprasad9015, 4 months ago

Simplify ( n+ m)² – ( n – m )²​

Answers

Answered by krish1007
0

Step-by-step explanation:

(n+m)^2 - (n-m)^2

= n^2 + 2nm + m^2 - n2 - 2nm + m^2

= n^2 - n^2 + 2nm + 2nm + m^2 - m^2

= 4nm.

Thanks.

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