Question

verify : (a−b)(a−b)(a−b)=a^3 −3a^2 b+3ab^2 +b^3​

Answer 1

Answer:

a³ - 3a²b + 3ab²-b³ (a - b)³ = a³ - b³ - 3ab(a - b) → a³ - b³ - 3a²b + 3ab² Compairing both polynomials we get, .. a³ - 3a²b + 3ab² - b³ = (a - b)³

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