Question

x+y=5 and xy=6 then find the value of x^3+y^3​

Answer 1

Answer:

refer attachment for your answer ...

Answer 2

Step-by-step explanation:

(x+y)^3=x^3+y^3+3xy(x+y)

put value of X+y=5

and X*y=6

x^3+y^3+3*6(5)

x^3+y^3+90=(x+y)^3

x^3+y^3=(x+y)^3-90

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