Question

expand each of the following using suitable identities :
(2). (2x-y+z)power 2​

Answer 1

Answer:

2× {(2x)^2-(y)^2+(z)^2+2xy+2yz+2za}

2×{4x^2-y^2+z^2+8xy+2yz+4za}

2×4x^2-y^2+z^2+8xy+2yz+4za

8x^2-2y^2+2z^2+16xy+4yz+8za