Question

if x+y=6and xy=11, find the value of x^3+y^3​

Answer 1

Answer:

Correct option is

A

−288

x−y=−6,xy=4

(x−y)

3

=x

3

−y

3

−3x

2

y+3xy

2

=−216

=x

3

−y

3

−3yx(x−y)=−216

x

3

−y

3

=−216+3(4)(−6)

x

3

−y

3

=−288

Was this answer helpful?

Answer 2

i think the above answer is wrong. it can be solve by using the formula