Question 1 Report
Simplify 1p 1 p - 1q 1 q + pq p q - qp
Answer Details
1p 1 p - 1q 1 q + pq p q - qp q p = q−ppq q − p p q + p2−q2pq p 2 − q 2 p q q−ppq q − p p q x pqp2q2 p q p 2 q 2 = q−pp2q2 q − p p 2 q 2 −(p−q)(p+q)(p−q) − ( p − q ) ( p + q ) ( p − q ) = −1p+q
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