Question

what is the answer of a²+b²​

Answer 1

Step-by-step explanation:

The formulas of a^2+b^2 are:-

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

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Answer 2

a^2+b^2=(a+b)^2-2ab

a^2+b^2=(a-b)^2+2ab