Math, asked by arvindkumar953299015, 5 months ago

factorize using suitable groupings​

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Answered by himanshukashyap0719
1

Step-by-step explanation:

pqr - pq - r  +  1 \\ pq(r - 1) - 1(r - 1) \\ (r - 1)(pq - 1)

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