If x+y=12 and xy=20 find the value of x³+y³
Answers
Answered by
0
Answer:
Hi here is your answer
If x+y=12 and xy=27, find the value of x
3
+y
3
Given that, x+y=12 and xy=27
We know,
(x+y)
3
=x
3
+y
3
+3xy(x+y)
Therefore,
12
3
=x
3
+y
3
+3×27×12
1728=x
3
+y
3
+972
x
3
+y
3
=1728−972=756
∴x
3
+y
3
=756
mark me as brainlist..
Similar questions