JEE Main 26 June 2022 Shift 2 Solved Paper

Section: Mathematics

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Question : 16 of 90

Marks: +1, -0

Let

→

a

=

^

i

+

^

j

+2

^

k

,

→

b

=2

^

i

−3

^

j

+

^

k

and

→

c

=

^

i

−

^

j

+

^

k

be three given vectors. Let

→

v

be a vector in the plane of

→

a

and

→

b

whose projection on

→

c

is ‌

2

√3

. If

→

v

⋅

^

j

=7, then

→

v

⋅(

^

i

+

^

k

) is equal to :

[26-Jun-2022-Shift-2]

6
7
8
9

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