Math, asked by meenugarg6398, 10 months ago

Factorize by using identity: 9 y²
-66 y z +121z²

Answers

Answered by advaith1058

1

Answer:

(a-b)^2=a^2-2ab+b^2

9y^2=(3y)^2

121z^2=(11z)^2

-66yz=-2(3)(11)

so,

9y^2-66yz+121z^2=(3y+11z)^2

ok

mark as brainloest

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