Math, asked by ayush12121, 11 months ago

p(p-q) + q(q-r) + r(r-p)

Answers

Answered by anushkably2002

1

Answer:

Step-by-step explanation:

p(p-q)+q(q-r)+r(r-p)

= p2-pq+q2-qr+r2-pr

=p2+q2+r2-pq-qr-pr

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