Kindly answer this as soon as possible -Divide 20 into two parts, such that the sum of four times the the reciprocal of one and nine times the reciprocal of the other may be minimum. Choices: A. 8, 12 B. 12,12 C. 8,12 D. -8, -12 -The graph of the curve described by the parametric equations x = 4t − 1, y = 3t + 2 is a straight line, find the slope

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A: Please see the below picture for detailed solution.

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A: Solution of given question is written in below steps.

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A: Here is the solution:

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A: The given graph is

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A: Follow the procedure given below.

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A: here is the solution:

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A: Here we have to find the inverse function.

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A: This question is related to Laplace transform, we will solve it using given information.

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A: See the details solution in below

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A: I have stated the used formulas in the solution

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A: Solution is given below:

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A: