Search any question & find its solution
Question:
Answered & Verified by Expert
If the projections of a straight line segment on the coordinate axes are $2,3,6$, then the length of the segment is
Options:
Solution:
2780 Upvotes
Verified Answer
The correct answer is:
7 units
Position vector of line segment $=2 \hat{\mathrm{i}}+3 \hat{\mathrm{j}}+6 \hat{\mathrm{k}}$
length $=\sqrt{2^{2}+3^{2}+6^{2}}=\sqrt{49}=7$ units
length $=\sqrt{2^{2}+3^{2}+6^{2}}=\sqrt{49}=7$ units
Looking for more such questions to practice?
Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.