Math, asked by bethibhanu123, 10 months ago

If a3-b3=127 and a-b=1 then find ab

Answers

Answered by vikeshjee

7

Answer:

ab=42

Step-by-step explanation:

a³-b³=127

a-b=1

(a-b)³=a³-b³-3ab(a-b)

1³=127-3ab

3ab=126

ab=126/3

ab=42

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