defence exam Agniveer Vayu Group X & XY Mock Test 01/2026 Mathematics Vector Algebra Types of Vectors
\(\rm \vec a+\vec b\) की दिशा में इकाई सदिश यदि \(\vec a=2\hat i-\hat j+2\hat k \ \&\ \vec b=-\hat i+\hat j-\hat k\) है :
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\(\rm \hat i+0.\hat j+\hat k\)
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\(\rm \hat i-\hat j+\hat k\)
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\(\rm \hat i+\hat j+\hat k\)
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\(\rm \frac{1}{\sqrt 2}\hat i+\frac{1}{\sqrt 2}\hat k\)