Question

Multiply x² + 2y by x³ - 2xy + y³ and find the value of the product for x = 1 and y= -1 ​

Answer 1

if x=1 and y=-1

Then equation formed is

1×1+2×(-1)×1×1×1-2×1×(-1)+(-1)×(-1)

Now Multiply This to get answer

Answer 2

Answer in attachment

It's My 2nd Id