Math, asked by nibeditapattnaik4126, 23 days ago

find cube using identity​

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Answered by mdshamsulhoda786
2

Answer:

(x - 7y)^3

= x^3 - 3×x×7y (x-7y) - (7y)^3

=x^3 - 21xy(x-7y) - 343y^3

= x^3 - 21x^2y + 147xy^2 - 343y^3

Hope you get the answer.

Answered by saritamaheshwari384
0

the answer is given in the attachment above.

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