1
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0
The vector that must be added to $$\widehat i - 3\widehat j + 2\widehat k$$ and $$3\widehat i + 6\widehat j - 7\widehat k$$ so resultant vector is a unit vector along the X-axis is
2
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0
If |a| = 8, |b| = 3 and |a $$\times$$ b| = 12, then find the angle between a and b.
3
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0
If for $$a = 2\widehat i + 3\widehat j + \widehat k,b = \widehat i - 2\widehat j + \widehat k$$ and $$c = - 3\widehat i + \widehat j + 2\widehat k$$, then find $$[a\,b\,c]$$.
4
COMEDK 2020
MCQ (Single Correct Answer)
+1
-0
If a and b are vectors such that $$|a + b|=|a-b|$$, then the angle between a and b is
Questions Asked from Vector Algebra (MCQ (Single Correct Answer))
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