Math, asked by arunsanjeevi11, 9 months ago

Expand the Following:

i) (x + 2y + 3z)²
ii) (-p+2q+3r)²

Answers

Answered by vc538303

1

1st. x ^2+4y'2+9z'2+4xy+12yz+6xz

2nd. p'2+4q'2+3r'2-4pq+12qr-6qr

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