Question

expand by using suitable identity (2x-y+z)^2​

Answer 1

Answer:

4x^2-4xy+4xz+y^2-2xy+3xz+z^2

Step-by-step explanation:

= (2x-y+z)^2

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

= 4x^2-2xy+2xz-2xy+y^2-yz+2xz-yz+z^2

= 4x^2-4xy+4xz+y^2-2yz+2xz+z^2