Question

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

Answer 1

Here is your answer :-

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

p²-pq + q² -rq +r² -pr

p²+ q² + r² - ( pq+rq+pr)

Answer 2

HELLO !!

HERE IS YOUR ANSWER,

=> p (p-q) + q (q-r) + r ( r-p)

${p}^{2} - pq + {q}^{2} - qr + {r}^{2} - pr \\ {p}^{2} + {q}^{2} + {r}^{2} - pq - qr - pr$
Hope it helps u !!

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