Question

Factorise 25x^2 + 81y^2 + 121z^2 − 45xy − 99yz + 55xz

sahi answer kardena kal exam hai

Answer 1

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)

Answer 2

Answer:

your answer is wrong

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