MCQEasyJEE Main 2024 · 27 January, Shift 1Dot Product

Mathematics Question from JEE Main 2024 · 27 January, Shift 1

The least positive integral value of α\alpha for which the angle between the vectors αi2j+2k\alpha i - 2j + 2k and αi+2αj2k\alpha i + 2\alpha j - 2k is acute is:

  • A

    33

  • B

    44

  • C

    55

  • D

    66

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