Question

Add p(p-q),q(q-r) and r(r-p)

Answer 1

Answer:

p²-pq+q²-qr+r²-rp

=p²+q²+r²-(pq+qr+rp)

Hope it helps you.

Step-by-step explanation:

Answer 2

Answer:

$p(p - q)+ q(q - r) + r(r - p) \\ = {p}^{2} - pq + {q}^{2} - qr+ {r}^{2} - rp\\ = { p }^{2} + {q}^{2} + {r}^{2} - pq - qr - rp$

Step-by-step explanation:

hope this will help u...

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