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If ax^(2)-y^(2)+4x-y=0 represents a pair...

If `ax^(2)-y^(2)+4x-y=0` represents a pair of lines then a ...

A

`-16`

B

1/(16)

C

4

D

`-4`

Text Solution

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The correct Answer is:
B
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Knowledge Check

  • If x^(2)+k y^(2)+x-y=0 represents a pair of lines then k=

    A
    1
    B
    -1
    C
    `(1)/(2)`
    D
    `-(1)/(2)`

  • If k x^(2)-y^(2)+2 x-y=0 represents a pair of lines, then k=

    A
    4
    B
    -4
    C
    -2
    D
    2

  • If x^(2)-kxy+y^(2)+2y+2=0 represent a pair of st lines then k equals

    A
    2
    B
    `(1)/sqrt(2)`
    C
    `2sqrt(2)`
    D
    `sqrt(2)`

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