If p – q = 6 and p2 + q2 = 116, what is the value of pq?
(A) 20
(B) 60
(C) 40
(D) 10
Answer: (C)
Explanation: p2 + q2 -2pq = 36
=> pq = 40
Quiz of this Question
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If p – q = 6 and p2 + q2 = 116, what is the value of pq?
(A) 20
(B) 60
(C) 40
(D) 10
Answer: (C)
Explanation: p2 + q2 -2pq = 36
=> pq = 40
Quiz of this Question
Please comment below if you find anything wrong in the above post