Find an Equation of the Tangent Plane to the Parametric

Q81: Use a computer algebra system to compute

Q82: A particle is moving in a velocity

Q83: Let <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5971/.jpg" alt="Let

Q84: Evaluate the line integral over the given

Q85: Use Gauss's Law to find the charge

Q87: Find the gradient vector field of the

Q88: Use Stokes' Theorem to evaluate <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5971/.jpg"

Q89: Find the work done by the force

Q90: Find the value of the constant c

Q91: Determine whether F is conservative. If so,