a) Find the total differential for the following function z = f(x,y) = xy + y xb) Use Chain Rule for find, and if z x = st, at For the function x² + 2y²+3z² = 6, find and Əz 3x az y= s²-t².

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A: Given differential equation is  x2y''+15xy'+49y=0 given y(1)=-5,y'(1)=4

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A: Given: Since you have asked multiple question, we will solve the first question for you. If youwant…

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A: We have to find the general solution of the given problem.

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A: Given that the expression

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Q: A) Find the first and second derivatives of the function g(x) = Vx² + 2x .

A: “Since you have asked multiple question, we will solve the first question for you. If youwant any…

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Q: Find y as a function of if y(0) = 19, y'(0) = 19, y"(0) = 4, y"(0) = 0. y(x) = y(4) 4y" + 4y = 0,

A: y(4)−4y′′′+4y′′=0y(0)=19,y′(0)=19,y′′(0)=4,y′′′(0)=0

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