If (x-y)³ =(4)³ and xy =21,then the value of x³ - y³=?
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Answered by
0
Answer:
6 is the answer because you know idon't think so eh nvm
Answered by
1
Answer:
Step-by-step explanation:
(a-b)³=a³-b³-3ab(a-b)
substitute given values
64=x³-y³-3(21)(4) {x-y=4}
64=x³-y³-252
x³-y³=64+252
x³-y³=316
hope you understand
mark as brainliest answer
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