Question

if ab=5 and a-b=2 then find value of a³-b³​

Answer 1

Answer: 38

Formula : (a-b)^3 = a^3 - b^3 - 3ab(a-b)

Step-by-step explanation:

(2)^3 = a^3 - b^3 - (3×5)(2)

8 = a^3 - b^3 - 30

8+30 = a^3 - b^3

38 = a^3 - b^3

a^3 - b^3 = 38

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Answer 2

Answer:

a³+3ab²+3a²b+b³

Step-by-step explanation:

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