#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

Stuck? A gentle nudge

Something off?

Workspace

Your working

Check your full solution

Attach photos of your pages (up to 3) or one PDF — or check what you typed above. Lemma reads the work and verifies the reasoning, not just the answer.

Your first check today doesn't need an account.

Your photos and PDFs are read once and not stored — only the transcription is kept.