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The two lines represented by 3a x^2+5x y...

The two lines represented by `3a x^2+5x y+(a^2-2)y^2=0` are perpendicular to each other for two values of `a` (b) a for one value of `a` (d) for no values of `a`

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CENGAGE ENGLISH-STRAIGHT LINES-All Questions
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  5. The straight lines represented by x^2+m x y-2y^2+3y-1=0 meet at (a)(...

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  6. The straight lines represented by the equation 135 x^2-136 x y+33 y^2=...

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  11. The distance between the lines (x+7y)^2+4sqrt(2)(x+7y)-42=0 is

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  12. x+y=7 and a x^2+2h x y+a y^2=0,(a!=0) , are three real distinct lines ...

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  13. If the slope of one of the lines represented by a x^2+2h x y+b y^2=0 i...

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  14. int{(2 - 3sinx)/cos^2x}

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  15. The sides of a triangle have the combined equation x^2-3y^2-2x y+8y-4=...

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  16. Let P Q R be a right-angled isosceles triangle, right angled at P(2,1...

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  18. Find the equation of the bisectors of the angles between the lines ...

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  19. If theta is the angle between the lines given by the equation 6x^2+5x ...

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