(a) If A = xya x + xa y + 2yz z , find A...
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(a) If A = x²yax + xay + 2yzz, find ∇ · A at point ∇ · B; (-3, 4, 2).
(b) Given that B = 3ρ sin Φaρ – 5p²zaΦ + 8z cos² Φaz, find ∇ · B at point (5,30°,1)
(c) Let C = r² cos Φar + 2raΦ find ∇ · C at point (2, π/3, π/2).
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