Question

If à = 2i+ 3j and vector of B=3i - 2j + k find themagnitude of A + vector of B and A-B​

Answer 1

Answer:

Explanation:

A + B = 5i + j + k

I A + B l = √( 5² + 1² + 1² )

             = √27

A - B  = -i + j - k

I A - B I = √1 ² + 1² + 1²

            = √3

 IF YOU HAVE STUDIED VECTORS THEN I HOPE IT SHOULD BE CLEAR

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