Given two real numbers p and q such that 1/p + 1/q = 1 and pq = \(9\), what is p + q?
Given two real numbers p and q such that 1/p + 1/q = 1 and pq = 9, what is p + q?
1/p + 1/q = 1
multiply both sides by pq q + p = pq
but the problem says pq = 9
therefore q + p = 9
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