2. Find the differential du of the given functions. (a) y = (12 – x²)3/2 dy = -3r/12 – x² dx (b) y = 7r° – 4r² + 2x – 5 dy = (21r² – 8x +2) dx (c) y = e * dy = -3e-3* dx (d) y = sec²{3x') cos(3x) dy = 3 sec(3x) tan(3x) dx %3D

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A: Explanation of the answer is as follows

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A: according to our guidelines we can answer only first question and rest can be reposted. thanku

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