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If the lines represented by ax^(2)+4xy+4...

If the lines represented by `ax^(2)+4xy+4y^(2)=0` are real distinct, then

A

`a=0`

B

`a=1`

C

`alt1`

D

`agt1`

Text Solution

Verified by Experts

The correct Answer is:
C
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NIKITA PUBLICATION-PAIR OF STRAIGHT LINES-MULTIPLE CHOICE QUESTIONS
  1. Lines represented by x^(2)+7xy+2y^(2)=0 are

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  2. Lines represented by x^(2)+2xy-y^(2)=0 are

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  3. If the lines represented by ax^(2)+4xy+4y^(2)=0 are real distinct, the...

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  4. if lines represented by equation px^(2)-qy^(2)=0 are distinct, then

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  5. Lines represented by px^(2)-qy^(2)=0 are real and coincident, if

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  6. Lines represented by px^(2)-qy^(2)=0 are imaginary, if

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  7. Which of the following equation does not represent a pair of li...

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  8. If l, m, n are in AP, then the line lx+my+n=0 will always pass through...

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  9. The separate equations of the lines represented by the equation x^(2)-...

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  10. The separate equations of the lines represented by the equation 3x^(2)...

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  11. The separate equations of the lines represented by the equation 5x^(2)...

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  12. The separate equations of the lines represented by the equation 5x^(2)...

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  13. The separate equations of the lines given by (x-4)^(2)-16(y-5)^(2)=0 a...

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  14. Equation y^(2)-x^(2)+2x-1=0 represents

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  15. The equation (x+y)^(2)-(x^(2)+y^(2))=0 represents

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  16. One of the lines represented by x^(2)+6xy=0 is

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  17. The separate equations of the lines represented by the equation x^(2)-...

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  18. The separate equations of the lines represented by the equation y^(2)+...

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  19. Separate equations of the two lines jointly given by ab(x^(2)-y^(2))+(...

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  20. Statement -1 : If a gt b gt c, then the lines represented by (a-b)x^(2...

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