Using only the chain rule, find dy/dx if y = ( [x - 2] / [x + 1] )^6

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On exam 1, you will be asked to solve some problems similar to this one without a calculator. You only need to use basic algebra, the derivative of polynomials ( d(ax^n)/dt = nax^(n−1) ), and the chain rule. You do not need the product rule, etc. Find dy/dx at (x = 3.5) if y = ( [x - 2] / [x + 1] )^6.

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