Question

factorize ab=a+b. The ans is (a-1)(b-1)=1 but plz state the process​

Answer 1

Answer:

ab = a + b

ab - a - b = 0

Adding 1 on both sides, we get,

ab - a - b + 1 = 1

(ab - a) + (-b + 1) = 1

a(b - 1) - 1(b - 1) = 1

(a - 1)(b - 1) = 1

Hence shown.

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