( P1.31) E and F are vector fields given by E = 2xax + ay + yzaz and F = xyax y^2ay1 xyzaz.
Determine:
(a) Magnitude E at (1, 2, 3)
(b) The component of E along F at (1, 2, 3)
(c) A vector perpendicular to both E and F at 10, 1, 232 whose magnitude is unity.
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