Question

Expand by using identity ( 2x – y+z)2a​

Answer 1

Step-by-step explanation:

2x−y+z)

2

⇒A

2

+B

2

+C

2

=A

2

+B

2

+C

2

+2AB+2BC+2CA

⇒(4x

2

+y

2

+z

2

−4xz−2yz+4xz)