Question

$2( {a}^{2} + {b}^{2} ) = {(a + b)}^{2} \\ find \: a = b$ ​

Answer 1

Answer:

here, 2 (a^2+b^2)= (a+b)^2

=> a^2+b^2-2ab=0

=> (a-b)^2 =0

=> a-b =0

so, a = b

proved

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