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3-1.Vectors
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${\rm{\hat i}}\,\,{\rm{ - }}\,\,{\rm{\hat j}}\,\, + \;\,{\rm{\hat k}}\,$ અને  $\,{\rm{\hat i}}\,\, + \,\,{\rm{\hat j}}\,\, + \;\,{\rm{\hat k}}$ બે સદીશોનો એકમ લંબ સદીશ શોધો .

A$\hat i\,\, + \,\,\hat j$
B$\frac{{ - \hat i\,\, + \;\,\hat k}}{{\sqrt 2 }}$
C$\hat j\,\, + \,\,\hat k$
D$\left( {\hat j\,\, + \,\,\hat i} \right)\,\,\sqrt 2 $

Solution

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Standard 11
Physics

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