Question

- If a - b = 3 and ab = 4, find a3 – b3.​

Answer 1

Answer:

here's the best answer below,

Step-by-step explanation:

(a-b)^3= a3- b3- 3a2b+ 3ab2

or,

(a-b)³=a³-3ab(a-b)-b³ 

ATQ,

(3)^3= a3- b3 - 3(4)[3]

27=a3-b3-12×3

27=a3- b3- 36

27+36= a3-b3

63=a3- b3

HENCE PROVIDE

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