KEAM 2022 Math Solved Paper

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Question : 116 of 120

Marks: +1, -0

If

→

a

=2

∧

𝑖

+3

∧

𝑗

−4

∧

k

and

→

b

=

∧

𝑖

+3

∧

𝑗

+2

∧

k

, then a unit vector in the direction of

→

a

+

→

b

is

‌
1
6
(3
∧
𝑖
+6
∧
𝑗
−2
∧
k
)
‌
1
√70
(3
∧
𝑖
+6
∧
𝑗
−5
∧
k
)
‌
1
7
(3
∧
𝑖
+6
∧
𝑗
−2
∧
k
)
‌
1
√50
(3
∧
𝑖
+6
∧
𝑗
−3
∧
k
)
‌
1
√6
(
∧
𝑖
+2
∧
𝑗
−
∧
k
)

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