if x+y=12.
and
xy=21, find the
value of x^3+y^3
Answers
Answered by
1
Answer:
Step-by-step explanation:
given blew
x+y=12
xy=21
we know that
x3+y3
=(x+y)3+3xy(x+y)
=(12)3+3.21.12
=1728+756
=2484 ans
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