Question

Find the value of x³+y³ if x+y=3 and xy=2

Answer 1

Answer:

Answer :15

Step-by-step explanation:

x3+y3=( x+y ) (x2+y2+xy) substitute x+y=3;xy=2but we find x2+y2=(x+y)^2_2xy= 3×3-2×3=9-6 =3 . ........................3×(3+2)=3×5=15 I hope this helps u pls mark as brainliest