Question

the value of (a+b)²+(a-b)² is​

Answer 1

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

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

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

${a}^{4} + 4ab - {b}^{4}$

Answer 2

Answer

(a+b)² + (a-b)²

a²+b²+2ab+a²+b²-2ab

2a²+2b²

2(a²+b²).

hope it helps u