Math, asked by shashvat77, 1 year ago

Factorize 4x^2+9y^2+25z^2+12xy-30yz-20zx

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Answered by Simplebeing

Solution :

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$4x^2 + 9y^2 + 25z^2 + 12xy +- 30yz - 20zx \\\\ using \ identity \\ x^2 + y^2 + z^2 + 2xy - 2yz - 2xz &= (x + y - z) ^2 \\\\ ( 2x + 3y - 5z ) ^2 ...... Ans$

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