Question

find p(q-r) - q(p-r)​

Answer 1

Answer:

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

pq-pr-pq-qr

-pr-qr

-r(p+q)

Answer

Answer 2

Step-by-step explanation:

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

pq - pr - qp + qr. ( multiplication)

=0 ( cutting off)