Manipal Entrance Test 2017 Math Paper

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Question : 27 of 70

Marks: +1, -0

a=

1

7

(2

^

i

+3

^

j

+6

^

k

), b=

1

7

(3

^

i

−λ

^

j

+2

^

k

). If a and b are mutually perpendicular, then value of λis

2
-1
6
-6

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