Differentiate the following functions: i. v = 15/7(12/7+ 3t) (2x – 9) f(x) = x + 4 ii. iii. y = exlnx iv. Find partial derivative, zx and zx, for the following function: z = e 2x2+3y

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A: The formula for the arc length is given by: L=∫02π(x'(t))2+(y'(t))2dt Here,…

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A: Using given formula,

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A: To find the arc length L  of the graph of r(t).

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A: A detailed solution is given below

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