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Two vector vec(A) = 2 hat(i) + 3hat(j) -...

Two vector `vec(A) = 2 hat(i) + 3hat(j) - 4 hat(k) and vec(B) = 4hat(i) + 8 hat(j) + x hat(k)` are such that he component of `vec(B) " along " vec(A)` is zero. Then the value of x will be:

A

8

B

`-4`

C

`+4`

D

`-8`

Text Solution

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The correct Answer is:
A
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