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Q.5   Find the scalar and vector components of the vector with initial point (2, 1) and terminal point (– 5, 7). 

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Let point P = (2, 1) and Q = (– 5, 7).

Now,

\vec {PQ}=(-5-2)\hat i+(7-1)\hat j=-7\hat i +6\hat j

Hence scalar components are (-7,6) and the vector is -7\hat i +6\hat j.

Posted by

Pankaj Sanodiya

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