Math, asked by arihant9850, 8 months ago

derive an expression for a³-b³​

Answers

Answered by vinaysharma58
2

The formula is (a-b)³=a³-3a²b+3ab²-b³. You convert it to (a-b)³=a³-3ab(a-b)-b³ for an illustration. You take the drawing of the formula (a+b)³=a³+3a²b+3ab²+b³ from above and replace a by the difference a-b. Then the edges are (a-b)+b with different combinations (on the left).

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Answered by priyanka658928
2

answer:-3a²b+3ab²-b³

a³-b³-3ab(a-b)

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