Question

(a + b)^2 + (a - b)^2​

Answer 1

Answer:

a2+b2=a2+b2+2ab+a2+b2-2ab

Step-by-step explanation:

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Answer 2

$\huge\sf{\red{\underline{Answer}}}$

$( {a + b)}^{2} + ( {a - b)}^{2}$

${a}^{2} + 2ab + {b}^{2} + {a}^{2} - 2ab + {b}^{2}$

${a}^{2} + {b}^{2} + {a}^{2} + {b}^{2}$

$2 {a}^{2} + 2 {b}^{2}$