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Question

The line (3xy+5)+λ(2x3y4)=0 will be parallel to y-axis, if λ =

A
13
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B
13
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C
32
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D
32
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Solution

The correct option is B 13
The given line can be written in this form
(3+2λ)x+(13λ)y+(54λ)=0
It is will be parallel to y-axis, if
13λ=0λ=13.

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