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(b) If A = x*yit (xy + yz3)j + xy*k; B = y'zi - 3xz*j + 2x3yk; p = 6x2y+ 2xyz - 8yz - 3

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(b) If A = x*yit (xy + yz3)j + xy*k; B = y'zi - 3xz*j + 2x3yk; p = 6x2y+ 2xyz - 8yz" - 3 determine, at the point (1,2,1): (i) Vo (2 marks) (1i) V . A (2 marks) a x (III) (3 marks) (iv) grad div A (3 marks) (v) Curl Curl A

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