Math, asked by karunasingla82pdczzr, 10 months 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

Previous Question

Next Question

Similar questions

Social Sciences, 5 months ago

what is agriculture...

English, 5 months ago

chapter- A TRULY BEAUTIFUL MIND .. QUESTION - why did Einstein write a letter to Franklin Roosevelt ?

Math, 5 months ago

Is 25xsquare-30xy+16ysquare...

Computer Science, 10 months ago

c language nesting of loop...

Chemistry, 10 months ago

Please explain this reaction why in the product side there is mncl2 and cl2?

Social Sciences, 1 year ago

which one is the one and only UN Security Council permanent member From Asian continent options Japan India China Pakistan...

Math, 1 year ago

floor tiles are 25 CM square how many time will be needed for a rectangle length 12 m long and 10m wide find the total cost at the rate of 8 per tile...

Math, 1 year ago

find the area of quadrilateral whose diagonal is 16 cm and their height is 7 cm and 8 cm...