(3x+2y-z)²

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(3x+2y-z)²

Posted by T.B Joshi 1 year, 1 month ago

CBSE > Class 09 > Mathematics

1 answers

Vyshnavi Naru 1 year, 1 month ago

(3x+2y-z)² Solution- (3x+2y+z)² This can be written with the formula- (a+b+c)²= a² + b² + c² + 2(a) (b) + 2(b) (c) +2(c) (a) So, (3x+2y+z) ² = 3x² + 2y² + z² + 2(3x) (2y) + 2(2y) (z) + 2(z) (3x) =5x²y²z² + 12xy + 4yz + 6zx

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