Math, asked by chetanreddy839, 2 months ago

factorise 100x^(2 )+81y^(2 )+121z^(2)+180xy-198yz-110zx

Answers

Answered by SampoornaYayavaram

1

Answer:

(- 10x - 9y + 11z)(- 10x - 9y + 11z)

Step-by-step explanation:

100x² + 81y² + 121z² + 180xy - 198yz - 110zx

= (-10x)² + (-9y)² + (11z)² + 2(-10x)(-9y) +2(-9y)(11z) +2(11z)(-10x)

= (- 10x - 9y + 11z)²

= (- 10x - 9y + 11z)(- 10x - 9y + 11z)

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