Determine whether the equation is exact. If it is, then solve it. (tan y – 2)dx + (xsec²y+ ÷)dy = 0. when y(0)=1.

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

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A: we have to find

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A: By Bartleby policy I have to solve only first one as these are all unrelated problems.These are all…

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Q: Q5) show that the following equation is exact and solve it. ylnx?dy +dx - = 1 xlny?dx +dy

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