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why is diffrence of vectors A and b root of A2+B2+2ABCOS theta and not root of A2+b2-2ABCOS theta?

why is diffrence of vectors A and b root of A2+B2+2ABCOS theta and not root of A2+b2-2ABCOS theta?

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1 Answers

Aman Bansal
592 Points
11 years ago

Dear Suvarna,
I think some details are incorrect or missing,

Please reectify the error so that we can help you.

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