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Q17: Find the gradient of the function <img
Q57: Find the unit tangent vector <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8680/.jpg"
Q89: Find all the second partial derivatives. <img
Q91: Find the point of intersection. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8680/.jpg"
Q103: Determine whether the given points are collinear.
Q122: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8680/.jpg" alt=" be a scalar
Q132: Use a computer algebra system to find
Q135: Use Stokes' Theorem to evaluate <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8680/.jpg"
Q137: Find, correct to the nearest degree, the
Q144: Use spherical coordinates.Evaluate <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8680/.jpg" alt="Use spherical