f varies jointly with u and h and inversely with the square of y. | MathCelebrity Forum

f varies jointly with u and h and inversely with the square of y.

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math_celebrity

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f varies jointly with u and h and inversely with the square of y.

Variation means we have a constant k.
Varies jointly with u and h means we multiply k by hu
Varies inversely with the square of y means we divide by y^2
f = khu/y^2
 
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