7) Find the first-order derivatives of: (a) y = -7e* (b) y=-3x² (c) y = 를

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A: As per the company rule, we can answer only the first question and rest can be reposted.

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A:

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A: On solving this we will get

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A: To solve the given differential equation.

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A: Given figure:-

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A:

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A: Solution is given below:

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A: We will divide it in 3 parts and then calculate the area of each parts.

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A: I am attaching image so that you understand each and every step.

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A: I am attaching image so that you understand each and every step.

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A: solution is given below.. one point lie on curve at which slope of tangent line is 1.

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A:

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