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1. If we express \(x^2 + 4x + 5\) in the form \(a(x - h)^2 + k\), then what is \(h\)?

 

2. In how many different ways can \(\frac{2}{15}\) be represented as \(\frac{1}{a} + \frac{1}{b}\), if a and b are positive integers with \(a \ge b\)?

 Aug 12, 2018
 #1
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deleted. 

 Aug 12, 2018
edited by Guest  Aug 12, 2018

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