E and F are vector fields given by E = 2xa¸ + a, + yza. and F = xya, − y²a,+ xyza. Determine: (a) Eat (1, 2, 3) (b) The component of E along Fat (1, 2, 3) (c) A vector perpendicular to both E and F at (0, 1, −3) whose magnitude is unity

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