Question

expand ( -2x + 3y + 3z ) ^2 by using suitable identity class 9
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Answer 1

Answer:

We know appropriate identity (x+y+z)2=x2+y2+z2+2xy+2yz+2xz.

=x2+(2y)2+(4z)2+2(x)(2y)+2(2y)(4z)+2(x)(4z)

=x2+4y2+16z2+4xy+16yz+8xz.

Answer 2

Step-by-step explanation:

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