3. Demonstrate the following relationships involving the determinate (a) Vector cross product (b) Triple scalar product a x b = aibj€ijkek = a. · (b × c) = a¡b¡ck Eijk ê ê2 e3 a1 a2 a3 b₁ b2 b3 = a1 a2 a3 b3 b₁ b₂ C1 C2 C3

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A:

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A: