Math, asked by vidishasharma2612, 8 months ago

If x^3 + y^3=54 and x+y= 6, what is value of xy?

Answers

Answered by ahanatarafder06

2

Answer:

(x+y)³ = x³ + y³ + 3xy(x+y)

(6)³ = 54 + 3xy(6)

216 -54 = 18xy

162/18 = xy

xy = 9

Answered by isra3452

0

Answer:

Step-by-step explanation:

(x+y)³ = x³ + y³ + 3xy(x+y)

(6)³ = 54 + 3xy(6)

216 -54 = 18xy

162/18 = xy

xy = 9

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