Question

If x=4,y=3 and z=-2,find the value of x^2+y^2+z^2+2xyz

Answer 1

hey mate here's ur ans ↓↓

※※※※※※※※※※※※※※※※

Given, x. = 4, y. = 3 , z = -2

Now , x² + y² + z² + 2XYZ

=(4)²+(3)²+(-2)²+2×4×3×(-2)

=16+9+4-48

=-19

※※※※※※※※※※※※※※※

hope it helps u☺☺✌