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If two vectors 2i+3j+k and -4i-6j-λk are parallel to each other, then the value of λ is

If two vectors 2i+3j+k and -4i-6j-λk are parallel to each other, then the value of λ is

Options

(a) 0
(b) -2
(c) 3
(d) 4

Correct Answer:

-2

Explanation:

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