Given w = x + 2y + z², x = x(r, t), y = y(r, t), &z = z(r, t). Əw A. Write an expression for or ər aw aw ər at B. Express or in terms of r and t for w, when x = y = r² + Int, z = 2r. C. Suppose a material's ability to absorb moisture w is a function of its resistivity r and temperature t at each point (x, y, z) in the material. Calculate the rate of change of a material's ability to absorb moisture with respect to r or t when r = 1/2 and t = 2. dw at

Q: Evaluate the expression a+b a+b when a=23a=23 and b=45b=45. Write in simplest form

A: # the expressions are printed twice , taking them once given a=23 and b=45 The value of a+b is as…

Q: Suppose f is a differentiable function of x and y, and g(r, s) = f(2rs, s² - 6r). Use the table of…

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Q: For the function h(x,y) = 6x + 7y xy-5 7 əh find and ?x əh dy

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Q: Evaluate Əw at (u,v) = (1,2) for the function w(x,y)=xy-y²; x = u-v, y = uv. ди OA. -1 B. 3 O C. 1…

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Q: There is a partial insurance policy that pays $80,000 upon the bad drought state (and $0 in the…

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Q: h. By completing the square, re-express fx,y (x, y) in the form fx,y(x, y) = e-(ax-by)² e-cy², Where…

A: Suppose X and Y are jointly distributed with pdf  where .

Q: The function y = Ce* + C2e-Sx is the general solution of a) Oy" – 3y – 10y = 0 b) Oy" + 2y + 10y = 0…

A: We have to find the differential equation whose general solution is y=C1e2x+C2e-5x .

Q: Solve the following differential equation: yde+xdy 1-x²y² +ædr=0. = constant.

A: Given that the differential equation ydx+xdy1-x2y2+x dx=0