Given two vector fields D = yza x + xza y + xya z and E =
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Given two vector fields D = yzax + xzay + xyaz and E = 5xyax + 6(x2+ 3)ay + 8z2az
(a) Evaluate C = D + E at point P(–1, 2, 4).
(b) Find the angle C makes with the x-axis at P.
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