Question

Question 83 (viii)

Multiply the following:
$x^2{y}^2{z}^2$ and (xy - yz + zx)

Answer 1

We have, $x^2{y}^2{z}^2$ and (xy - yz + zx)
$\therefore x^2{y}^2{z}^2\times (xy-yz+zx)=x^2{y}^2{z}^2\times xy-x^2{y}^2{z}^2\times yz+x^2{y}^2{z}^2\times zx$
$=x^3{y}^3{z}^2-x^2{y}^3{z}^3+x^3{y}^2{z}^3$