Question

of x+y=4 and xy=5 find, x³+y³​

Answer 1

Answer:

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Answer 2

ANSWER:-

4

STEP BY STEP EXPLANATION:-

x+y=4

Cubing both sides,

(x+y)³=4³

x³+y³+3xy(x+y)=64

x³+y³+3×5×4=64

x³+y³+60=64

x³+y³=64-60

x³+y³=4