Problem 1E: Use the Chain Rule to find dz/dt or dw/dt. 1. z = xy3 x2y, x = t2 + 1, y = t2 1 Problem 2E: Use the Chain Rule to find dz/dt or dw/dt. 2. z=xyx+2y,x=et,y=et Problem 3E: Use the Chain Rule to find dz/dt or dw/dt. 3. z = sin x cos y, x = t, y = 1/t Problem 4E: Use the Chain Rule to find dz/dt or dw/dt. 4. z=1+xy, x = tan t, y = arctan t Problem 5E: Use the Chain Rule to find dz/dt or dw/dt. 5. w = xey/z, x = t2, y = 1 t, z = 1 + 2t Problem 6E: Use the Chain Rule to find dz/dt or dw/dt. 6. w = ln x2+y2+z2, x = sin t, y = cos t, z = tan t Problem 7E: Use the Chain Rule to find z/s and z/t. 7. z = (x y)5, x = s2t, y = st2 Problem 8E: Use the Chain Rule to find z/s and z/t. 8. z = tan1(x2 + y2), x = s ln t, y = tes Problem 9E: Use the Chain Rule to find z/s and z/t. 9. z = ln(3x + 2y), x = s sin t, y = t cos s Problem 10E Problem 11E: Use the Chain Rule to find z/s and z/t. 11. z = er cos , r = st, = s2+t2 Problem 12E Problem 13E: Let p(t) = f(x,y), where f is differentiable, x = g(t), y = h(t), g(2) = 4, g(2) = 3, h(2) = 5, h(2)... Problem 14E: Let R(s, t) = G(u(s, t), v(s, t)), where G, u, and v are differentiable, u(1,2) = 5, us(1, 2) = 4,... Problem 15E: Suppose f is a differentiable function of x and y, and g(u, v) = f(eu + sin v, eu + cos v). Use the... Problem 16E: Suppose f is a differentiable function of x and y, and g(r, s) = f(2r s, s2 4r). Use the table of... Problem 17E Problem 18E Problem 19E Problem 20E Problem 21E: Use the Chain Rule to find the indicated partial derivatives. 21. z = x4 + x2y, x = s + 2t u, y =... Problem 22E: Use the Chain Rule to find the indicated partial derivatives. 22. T=v2u+v, u = pqr, v = pqr;... Problem 23E: Use the Chain Rule to find the indicated partial derivatives. 23. w = xy + yz + zx, x = r cos, y = r... Problem 24E: Use the Chain Rule to find the indicated partial derivatives. 24. P=u2+v2+w2, u = xey, v = yex, w =... Problem 25E: Use the Chain Rule to find the indicated partial derivatives. 25. N=p+qp+r, p = u + vw, q = v + uw,... Problem 26E: Use the Chain Rule to find the indicated partial derivatives. 26. u = xety, x = 2, y = 2, t = 2;... Problem 27E: Use Equation 6 to find dy/dx. 27. y cos x = x2 + y2 Problem 28E Problem 29E Problem 30E: Use Equation 6 to find dy/dx. 30. ey sin x = x + xy Problem 31E: Use Equations 7 to find z/x and z/y. 31. x2 + 2y2 + 3z2 = 1 Problem 32E Problem 33E Problem 34E: Use Equations 7 to find z/x and z/y. 34. yz + x ln y = z2 Problem 35E: The temperature at a point (x, y) is T(x, y), measured in degrees Celsius. A bug crawls so that its... Problem 36E Problem 37E: The speed of sound traveling through ocean water with salinity 35 purls per thousand has been... Problem 38E Problem 39E Problem 40E: The voltage V in a simple electrical circuit is slowly decreasing as the battery wears out. The... Problem 41E Problem 42E Problem 43E: One side of a triangle is increasing at a rate of 3 cm/s and a second side is decreasing at a rate... Problem 44E: A sound with frequency fs, is produced by a source traveling along a line with speed vs. If an... Problem 45E: Assume that all the given functions are differentiable. 45. If z = f (x, y), where x = r cos and y... Problem 46E: Assume that all the given functions are differentiable. 46. If u = f(x, y), where x = es cos t and y... Problem 47E Problem 48E Problem 49E Problem 50E Problem 51E Problem 53E Problem 55E Problem 56E: If f is homogeneous of degree n, show that x22fx2+2xy2fxy+y22fy2= n(n 1) f(x, y) Problem 57E Problem 58E Problem 59E: Equation 6 is a formula for the derivative dy/dx of a function defined implicitly by an equation... format_list_bulleted