Question

12. If a - b = 6 and 2 + 2 = 42, find the value of ab.please answer fast​

Answer 1

Answer:

a - b = 6 and a

2

+b

2

=42

a - b = 6

Now, squaring a - b = 6 on both sides, we have

(a−b)

2

=(6)

2

a

2

+b

2

−2ab=36

42−2ab=36

2ab=42−36=6

ab=6/2=3

∴ab=3

Step-by-step explanation:

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