Math, asked by karunasingla82pdczzr, 1 year ago

IF 3x-2y=8 and xy =8 then evaluate 27x^3-8y^3

Answers

Answered by bhanupratapsingh1605

3

Answer:

a3-b3=(a-b) (a2+ab+b2)

(3x)3-(2y)3= (3x-2y) (9x2+4y2+6xy)

=11(9x2+4y2-12xy+18xy)

=11((3x-2y)2+18xy)

=11(121+18*12)

=11(121+216)

=11*337

=3707

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