Question

pls.Give appropriate ans​

Answer 1

Step-by-step explanation:

Here is your answer

(x+y+z)²-(x-y+z)²

It is of the form a²-b²=(a+b)(a-b)

=(x+y+z+x-y+z)(x+y+z-(x-y+z))

=(2x+2z)(x+y+z-x+y-z)

=(2x+2z)2y

=4yx+4zy