Question

Add pq - pr , rq - pq and pr - rq​

Answer 1

Answer:

the Ans is 0 see how

Step-by-step explanation:

pq - pr + rq - pq + pr - rq;

so, no bring all the like terms in one place.

pq - pq -pr+ pr + rq - rq

so, every term is subtracted so nothing is left

Ans is = 0.

Answer 2

Answer:

0

Step-by-step explanation:

(pq - pr) + (rq - pq) + (pr - rq​)

⇒ pq - pr + rq - pq + pr - rq

⇒ pq - pq - pr + pr + rq - rq

⇒ 0 + 0 + 0

⇒ 0