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If a vector (2hati+3hatj+8hatk) is perpe...

If a vector `(2hati+3hatj+8hatk)` is perpendicular to the vector `(4hatj-4hati+alpha hatk)`, then the value of `alpha` is :

A

-1

B

`1//2`

C

`-1//2`

D

1

Text Solution

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The correct Answer is:
C
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Knowledge Check

  • If a vector (2hati+3hatj+ 8hatk) is perpendicular to the vector (4hatj-4hati+alpha hatk) , then find the value of alpha is

    A
    -1
    B
    `1//2`
    C
    `-1//2`
    D
    `1`

  • If a vector 2 hati+ 3 hatj+ 8 hatk is perpendicular to the vector 4 hatj-4hai+ alpha hatk , then the value of alpha

    A
    `-1`
    B
    `-(1)/(2)`
    C
    `(1)/(2)`
    D
    `1`

  • If a vector 2hati +3hatj +8hatk is perpendicular to the vector 4hati -4hatj + alphahatk, then the value of alpha is

    A
    -1
    B
    `(1)/(2)`
    C
    `-(1)/(2)`
    D
    1

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