Question

if X + Y is equals to 12 and x y is equals to 27 find the value of x cube + y cube

Answer 1

X+Y=12 and x=27/y

27/y+y=12
y^2-12y+27=0

y^2-9y-3y+27=0

y(y-9)-3(y-9)=0 y=3,y=9

then x^3+y3
put x=3 y=9the738 and
put =9 and y=3 then 738 ayga ok bhai brilliant answer

Answer 2

your solution........