Question

Ifx+y=12 and xy=27then,find the value of xcube +ycube

Answer 1

Answer:

756

Step-by-step explanation:

x+y=12

9+3=12

x=9

y=3

xy=27

9.3=27

xcube + ycube=

9cube+3cube

729+27

756

Mark this as brain list answer

Answer 2

Answer:

x+y = 12

xy=27

x^3+ y^3 = [ x+y ] $x^{2} - xy - y^{2}$

               = 12x 144 -27

               = 1701