A. Find all the first order partial derivatives of the given function. 1. f(x,y)= 2e*Y cos 4x + y cos 2x -In (smx) y 2. f(x,y)=+e3x + sin(2x + y²)

Q: 4- find the second order partial derivative w.r.t each variable g(x, y) = x*y+cos(y)+ ysin(x)

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Q: Find all the first and second order partial derivatives of f(x, y) = 3 sin(2x + y) — 7 cos(x — y).…

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Q: g(x, Y, z) = /x² +z-2 + sin(xy – x²)

A: Let's find.

Q: Find all the first and second order partial derivatives of f(x, y) = 3 sin(2x + y) - 3 cos(x − y).…

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Q: Find all the second order partial derivatives of the given function. f(x, y) = cos (xy²) = -y4 cos…

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Q: (b) w = x²y – 10y2²2³ + 43z – 7 tan(4y) dw 2xy + 43 z² – 20yz³ – 28sec² (4) dy –30y²2² dz %3! dz

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Q: 6. Use implicit differentiation to find first order partial derivatives: tan-(x²y) = y²z3 +…

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Q: Compute the first-order partial derivatives.  z = (sin x)(sin y)

A: To find partial derivative of z=(sinx)( siny)

Q: Find all the first and second order partial derivatives of f(x, y) = −2 sin(2x + y) + 8 cos(x − y).…

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Q: . Find all second order partial derivatives of the functions given below. (a) f(x,y) = xe + y + 1 Y…

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