Let , where the square root denotes the principal (non-negative) root. Determine the…

MATHEMATICS · Subjective · A Level · Mathematics · Differentiation · Differentiation

Problem

Let

h(x)=\dfrac{\sqrt{x-1}}{x+4}

, where the square root denotes the principal (non-negative) root. Determine the domain of

h'(x)

and express your answer in interval notation.