Let a=i+j+k, b=2i+j−k, and c=a×b. The angle between c and a is:

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Let a=i+j​+k, b=2i+j​−k, and c=a×b. The angle between c and a is:

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Let a=i+j+k, b=2i+j−k, and c=a×b. The angle

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Question

Let a=i+j​+k, b=2i+j​−k, and c=a×b. The angle

Solution

Relevant for Exams:

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Let a=i+j+k, b=2i+j−k, and c=a×b. The angle