#1323 · Algebra · Systems
Square Roots and Negative Powers
Solve the following equations: x^{ rac{1}{2}} + y^{ rac{1}{2}} = 5, 6(x^{- rac{1}{2}} + y^{- rac{1}{2}}) = 5.
H. S. Hall & S. R. Knight, Higher Algebra (1891) · Ch. X. Miscellaneous Equations, Examples X.b, No. 21
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Checked against the answer in H. S. Hall & S. R. Knight, Higher Algebra (1891).