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If (1, 2, 4) and (2, – 3λ, – 3) are the initial and terminal points of the vector i + 5j - 7k, then the value of λ is equal to … (a) 7/3

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If (1, 2, 4) and (2, – 3λ, – 3) are the initial and terminal points of the vector i + 5j - 7k, then the value of λ is equal to …

(a) 7/3

(b) -7/3

(c) -5/3

(d) 5/3

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Answer is (b) -7/3

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