1.

The projection of a line on the axes are 3 4 and 2√6 .find the length of the line​

Answer»

ANSWER:

Let position vector of line SEGMENT ends point are A and B 

Now given PROJECTION of line segment on the axes are (2,3,6)

So AB=2i^+3j^+6k^ 

Hence, length of line segment =∣AB∣=22+32+62=7



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