Algebra-2

Here's a step-by-step solution to find the constant of variation:

 

Step 1: Write the joint variation equation

When  varies jointly as  and the square of , we can express this relationship using the equation , where  is the constant of variation that we need to determine.

 

Step 2: Substitute the given values into the equation

We are given that , , and . Plugging these values into the equation , we get:

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