–pq + qr – rp from qr – rp + pq
plzzz solve this
Answers
Answered by
1
Answer:
2pq
Step-by-step explanation:
=qr- rp+pq-(-pq+qr-rp)
=qr-rp+pq+pq-qr+rp
=2pq
Answered by
1
Answer:
qr–rp+pq –(–pq+qr–rp) = 2pq
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