Question

Simplify=p(p-2)+2(2-r)+r(r-p)​

Answer 1

Step-by-step explanation:

ANSWER

p(p−q),q(q−r),r(r−p)

⇒p(p−q)+q(q−r)+r(r−p)

⇒p

2

−pq+q

2

−qr+r

2

−rp

Thus the sum =p

2

+q

2

+r

2

−pq−qr−pr