x^3+y^3 if x+y=3 and xy=2
Answers
Answered by
5
Answer:
x³+y³=(x+y)³-3xy(x+y)
=(3)³-3(2)(3)
=27-18=9
hope it helps you.....
Answered by
24
Answer:
x³ + y³ = ( x + y) ³ - 3xy( x + y)
= 3³ - 3*2*3
= 27 - 18
= 9
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