Lemma
MediumFunctional equations
#985 · Algebra · Functional equations

Find y from Mixed Direct–Inverse Variation

If equals the sum of two quantities, one varying directly as and the other varying inversely as , and when or , find as a function of .

~4 minAnswer checked instantlyDirect variationInverse variation

H. S. Hall & S. R. Knight, Higher Algebra (1891) · Ch. III. Variation, Examples III, No. 10

Stuck? A gentle nudge
Something off?
Workspace
Your answer
Loading the math keyboard…

Type naturally — sqrt, pi, / and ^ become notation. Any equivalent form is accepted. Press Enter to check.

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