Factorise 25x^2 + 81y^2 + 121z^2 − 45xy − 99yz + 55xz
sahi answer kardena kal exam hai
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Answer:
Question galat hai tumhara,
25x² + 81y² + 121z² +2×(− 45xy − 99yz + 55xz)
Ye hone chaiye actually,
phir ye a² + b² + c² + 2(ab+bc+ca)
se factorize ho jaega.
Step-by-step explanation:
25 x² + 81 y² + 121 z² +2×( - 45xy - 99yz + 55xz)
=> (5x)² + (-9y)² +(11z)² - 2×5x×9y - 2×9y×11z + 2×5x×11z
=> (5x - 9y +11z)²
=> (5x - 9y +11z)(5x - 9y +11z)
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Answer:
your answer is wrong
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