Question

Kindly solve this....

Answer 1

Hope it helps! ^_^
Please do mark it as the brainliest! :-D

Answer 2

pq( pq -qr +pr) qr (pq- qr +pr) - p(pr + pq ) + q ( pr + pq ) - r ( pr + pq )

p^2q^2 - pq^2r +p^2qr + pq^2r - q^2r^2 + pqr^2 - p^2r - p^2q + pqr + pq^2 - pr^2 - pqr

p^2q^2 + p^2qr - q^2r^2 +pqr^2 - p^2r + p^2q + pq^2 - pr^2 Ans