CBSE-XI-Physics
02: Physics and Mathematics
- #11Let
A→=3i→+4j→. Write a vector
B→such that
A→≠B→, but A = B.Ans : A vector `` \stackrel{\to }{B}`` such that `` \stackrel{\to }{A}\ne \stackrel{\to }{B}``, but A = B are as follows:
`` \left(\mathrm{i}\right)\stackrel{\to }{B}=3\stackrel{\to }{i}-4\stackrel{\to }{j}
\left(\mathrm{ii}\right)\stackrel{\to }{B}=3\stackrel{\to }{j}+4\stackrel{\to }{k}
\left(\mathrm{iii}\right)\stackrel{\to }{B}=3\stackrel{\to }{k}+4\stackrel{\to }{i}
\left(\mathrm{iv}\right)\stackrel{\to }{B}=3\stackrel{\to }{j}-4\stackrel{\to }{k}``
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