Asked by Math
Problem 1. Suppose x > 0. Simplify the expression [(x+h)^1/2− (x) ^1/2]/h . For what values of h is this expression defined?
Answers
Answered by
Steve
the domain of √u is u>=0
So, we need x+h >= 0
That means h >= -x and h≠0
So, we need x+h >= 0
That means h >= -x and h≠0
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