KCET 2017 Math Solved Paper

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Question : 49 of 60

Marks: +1, -0

If

→

a

=2

^‌

i

+λ

^

j

+

^

k

and

→

b

=

^

i

+2

^

j

+3

^

k

are orthogonal then the value of λ is

0
1
3
2
−
5
2

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