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Standard XII
Physics
Question
The angle between
→
A
=
^
i
+
2
^
j
−
^
k
and
→
B
=
−
^
i
+
^
j
−
2
^
k
is
30
0
45
0
60
0
90
0
A
30
0
B
60
0
C
90
0
D
45
0
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Solution
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The angle between $$\vec{A} = \hat{i} + 2\hat{j} -\hat{k}$$ and $$\vec{B} = -\hat{i} + \hat{j} -2\hat{k}$$ is
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Q2
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