Question

What is the formula of (x+y)² and (x² + y²)?​

Answer 1

Answer:

(x+y)² =

${x}^{2} + {y}^{2} + 2ab$

And

(x² + y²) = ( x+y ) (x-y)

Answer 2

Answer:

(x+y)² = (x)² + 2.x.y + (y)²

x² + y² = (x+ y) (x-y)

........ ee loooo (・–・)