#1169 · Algebra · Exponentials & logarithms

Difference of Surd Powers

Find the value of $(28 - 103)^{\frac{1}{2}} - (7 + 43)^{- \frac{1}{2}}$ .

~5 minAnswer checked instantlySurdsSquare rootsNegative exponents

H. S. Hall & S. R. Knight, Higher Algebra (1891) · Ch. VIII. Surds and Imaginary Quantities, Examples VIII.a, No. 39

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