Given the three vectors å ,b and ở in 3D. The following question is t termine if operation involving cross product (X) and the dot product(:) i ossible or not. A. Is the operation (đ x b) × (¿.å) meaningless or meaningful? Explain your reason. B. Is the operation (å x ở ).(č × b) meaningful or meaningless? Explain vour reas on

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Q: 4. Show that a 6 a + %3D

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