Question

If x+y=27, find the value of xcube +ycube, if xy=27​

Answer 1

Answer:

17,496 answer

Step-by-step explanation:

x+y=27

xy=27

now,

x^3+y^3

=(x+y)(x^2-xy+y^2)

=27(x^2+y^2)-27)

=27{(x+y)^2-2*xy-27}

=27{729-54-27}

=27*648

=17,496

Answer 2

Answer:

here is ur correct answer...

= 756

plz look at above pic.

hope this will helps u...be happy....