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Question

Let α=(λ2)a+b and β=(4λ2)a+3b be two given vectors such that a and b are non-collinear. Then the value of λ for which vectors α and β are collinear is :

A
3
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B
4
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C
3
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D
4
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Solution

The correct option is D 4
Given : α=(λ2)a+b and β=(4λ2)a+3b are collinear
λ24λ2=13λ=4

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