KCET 2017 Physics Solved Paper

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Question : 4 of 60

Marks: +1, -0

If

→

A

=2

^

i

+3

^

j

+8

^

k

is perpendicular to

→

B

=4

^

j

−4

^

i

+α

^

k

, then the value of ' α ' is

1
2
-
1
2
1
- 1

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