x²y³z ds, where C is the curve with parametric equations x = e -t cos(4t), y = e-t sin(4t), z = et, o sts 21. Find the exact value of Jc

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A: Given curve: So,

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A: Here we find the double derivatives value at t=π/3

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A: The solution for the above problem is shown below.

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A: The given parametric equations,x=cost, y=5 sint

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