(P1.29) Let G = x^2ax - yay + 2zaz and H = yzax +3ay - xzaz. At point (1, 22, 3).....

(P1.29) Let G = x^2ax - yay + 2zaz and H = yzax +3ay - xzaz. At point (1, 22, 3), (a) calculate the magnitude of G and H, (b) determine G  H, (c) find the angle between G and H.

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