The unit vector parallel to the resultant vector of 2 {\bo {i}}^{∧}+4 {\bo {j}}^{∧}-5 {\bo {k}}^{∧} and {\bo {i}}^{∧}+2 {\bo {j}}^{∧}+3 {\bo {k}}^{∧} is

Correct Answer is : 3∧i+6∧j−2∧k7

{3 {\bo {i}}^{∧}+6 {\bo {j}}^{∧}-2 {\bo {k}}^{∧}}/{7}

{ {\bo {i}}^{∧}+ {\bo {j}}^{∧}+ {\bo {k}}^{∧}}/{\sqrt{3}}

{ {\bo {i}}^{∧}+ {\bo {j}}^{∧}+2 {\bo {k}}^{∧}}/{\sqrt{6}}

{- {\bo {i}}^{∧}- {\bo {j}}^{∧}+8 {\bo {k}}^{∧}}/{\sqrt{69}}

CGPET 2021 Solved Paper

Section: Mathematics

Question : 147 of 150

Marks: +1, -0

The unit vector parallel to the resultant vector of 2‌

∧

+4‌

∧

−5‌

∧

and ‌

∧

+2‌

∧

+3‌

∧

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