Question

A^2+B^2=?what formula

Answer 1

Answer:

A^2 + B^2 = (A + B)^2 = A^2 + 2(A x B) + B^2

Step-by-step explanation:

Answer 2

Solution

( A²+B²) = (A+B)² - 2AB

And,

(A²-B²) = (A-B)² + 2AB.

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