Question

x² + y^2 + xy = (x + y)^2– xy​

Answer 1

Answer:

solution:-

☞(x+y)(x2−xy+y2)

=x(x2−xy+y2)+y(x2−xy+y2)

=x3−x2y+xy2+x2y−xy2+y3

=x3+y3

Answer 2

Answer:

LHS = RHS YOU CAN SEE FROM ABOVE

Step-by-step explanation:

HENCE PROVED