Math, asked by chhouzaifa444, 1 year ago

If x+y=5 and xy=6 then x3+y3=?

Answers

Answered by Anonymous

5

your ans

apply identity

(x+y)3=x3+y3+3xy(x+y)

(5)3=x3+y3+3×6(5)

125=x3+y3+18×5
125-90=x3+y3
35=x3+y3

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