#988 · Algebra · Functions

Prove variation of A

If $A$ varies jointly as $B$ and $C$ , while $B$ varies as $D^{2}$ , and $C$ varies inversely as $A$ , show that $A$ varies directly as $D$ .

~5 minProof · checked by AIvariationdirect proportion

H. S. Hall & S. R. Knight, Higher Algebra (1891) · Ch. III. Variation, Examples III, No. 13

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