Math, asked by Anonymous, 1 year ago

Help me gysss....its importance......

1.multiple X²+4y²+Z²+2xz+XZ–2yz by (-z+x-2y).

2. prove that
(a+b+c)³-a³-b³-c³=3(a+b)(b+c)(c+a).

solve it....

Answers

Answered by ravi409

2

I think it will be correct.

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