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The equation of second degree x^2 + 2sqr...

The equation of second degree `x^2 + 2sqrt2 xy + 2y^2 + 4x + 4 sqrt2 y + 1 = 0` represents a pair of straight lines, the distance between them is :

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PATHFINDER-CARTESIAN COORDINATES AND STRAIGHT LINE-QUESTION BANK
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  2. If 'k' is the ordinate of the point P on the line 3x+2y+10=0 such that...

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  3. The equation of second degree x^2 + 2sqrt2 xy + 2y^2 + 4x + 4 sqrt2 y ...

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  4. If x^2-3xy+lambda y^2+3x-5y+2=0,represent a pair of straight lines, th...

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  5. The equation x^2-3xy+lambda y^2+3x-5y+2=0 where lambda is a real numb...

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  6. The pair of straight lines joining the origin to the points of interse...

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  7. If the angle between the pair of straight lines represented by the equ...

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  9. A straight lines L through the origin meets the lines x+y=1 and x+y=3 ...

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  10. A variable line is at constant distance p from the origin and meets t...

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  13. Find the condition in a,b such that the portion of the line ax+by=1, i...

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  14. Find the set of values of lambda, for which the point (sqrt(4-lambda^2...

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  15. Prove that two of the four lines represented by the joint equation ax...

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  17. The pair of lines joining the origin to the points of intersection of ...

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  18. The number of points, having both co-ordinates as integers, that lie ...

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  19. Locus of the image of the point (2,3) in the line (2x-3y+4)+k(x-2y+3)=...

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  20. The least positive value of t so that the lines x = t+alpha, y+16 = 0 ...

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