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3-1.Vectors
easy
$2\widehat i\, + 3\widehat j\, + 4\widehat k$ ની દિશાનો એકમ સદિશ શોધો.
Option A
Option B
Option C
Option D
Solution
$\overrightarrow{ A }$$=2 \hat{i}+3 \hat{j}+4 \hat{k}$
$\overrightarrow{ A }$$=\frac{\overrightarrow{ A }}{|\overrightarrow{ A }|}=\frac{2 \hat{i}+3 \hat{j}+4 \hat{k}}{\sqrt{2^{2}+3^{2}+4^{2}}}$
$\overrightarrow{ A }$$=\frac{2 \hat{i}+3 \hat{j}+4 \hat{k}}{\sqrt{29}}$
Standard 11
Physics
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