Question

If x – y = 9 and xy = 5 then the value of xcube_y cube



is equal to
​

Answer 1

Answer:

hi there

Step-by-step explanation:

x-y=9

xy=2

(x-y)³ = x³ - y³ - 3xy (x-y)

⇒ 9³ = (x³ - y³) - 3×2(9)

⇒ 729 = (x³ - y³) - 54

⇒ 729+54 = x³ - y³

⇒x³ - y³ = 783

Answer 2

Answer:

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