Question

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

Answer 1

Hello...
Here is your answer..


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

= p² - pq + q² - qr + r² - rp

= p² + q² + r² - pq - qr - rp


Hope it helped ☺☺☺

Answer 2

We have to add ,

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

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

=p²-pq+q²-qr+r²-rp