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Simplifying Var(X) = 2 Multiply arV * X arVX = 2 Solving arVX = 2 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Divide each side by 'rVX'. a = 2r-1V-1X-1 Simplifying a = 2r-1V-1X-1
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