Question

ifx-y=7andx^3-y^=133,find xy​

Answer 1

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Here's ur answer

x - y = 7

x³ - y³ = 133

(x - y)³ = x³ - y³ -3xy(x-y)

7³ = 133 - 3xy(7)

343 = 133 - 21xy

-21xy = 343 - 133

-21xy = 210

xy = -210/21

xy = -10

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Answer 2

Answer:

-10

Step-by-step explanation:

•x-y=7

•x^3-y^3=133

sol..

${x}^{3} - {y}^{3}$