Question

4. Expand ( 2x - y+ z) using suitable identity​

Answer 1

Answer:

-2xzy

Step-by-step explanation:

2x-y+z by using - + =-

Answer 2

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)