Limit of a Power Root

Find the limit of $x \frac{a + x}{a - x}$ as $x$ approaches $0$ .

~8 minAnswer checked instantlyLimitsExponential Limits

H. S. Hall & S. R. Knight, Higher Algebra (1891) · Ch. XX. Limiting Values and Vanishing Fractions, Examples XX, No. 18

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Checked against the answer in H. S. Hall & S. R. Knight, Higher Algebra (1891).