If u=2ai+j-k and v=i+aj+4k are perpendicular then a=

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If u=2ai+j-k and v=i+aj+4k are perpendicular then a=

E

Editor

Sep 18, 2022

If u=2ai+j-k and v=i+aj+4k are perpendicular then a=

Difficulty: Easy

A:

4

B:

1/2

C:

3

D:

4/3

ID: 63273dbaca83163ac3a133df