Question: The crushing load L of a pillar varies directly as the fourth power of its radius r and inversely as the square of its length

The crushing load L of a pillar varies directly as the fourth power of its radius r and inversely as the square of its length l. If one pillar has twice the radius and three times the length of a second pillar, what is the ratio of the crushing load of the first pillar to that of the second pillar?

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