UPSC NDA Math Model Paper 6

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Question : 57 of 120

Marks: +1, -0

If

→

β

is perpendicular to both

→

α

and

→

γ

where

→

α

=

^

k

and

→

γ

=2

^

i

+3

^

j

+4

^

k

, then what is

→

β

equal to?

3
^
i
+2
^
j
−3
^
i
+2
^
j
2
^
i
−3
^
j
−2
^
i
+3
^
j

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