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in Vector Algebra by (28.9k points)
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Let the vectors \(\bar a,\bar b, \bar c\) denoted the sides of a triangle ABC.

 (i) Prove that \(\bar a \times \bar b = \bar b \times \bar c = \bar c \times \bar a .\)

(ii) Find the projection of the vector i + 3j + 7k on the vector 7i – j + 8k

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(ii) Projection of the vector i + 3j + 7k on the vector 7i – j + 8k

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