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Self Studies
Self Studies
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Straight Line a...

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  • Question 1
    4 / -1

    The equation (x + y)2 – (x2 + y2) = 0 represents

  • Question 2
    4 / -1

    Two lines represented by equation x2 + xy + y2 = 0 are

  • Question 3
    4 / -1

    If the equation hxy + gx + fy + c = 0 represents a pair of straight lines, then

  • Question 4
    4 / -1

    The values of h for which the equation 3x2 + 2hxy – 3y2 – 40x + 30y – 75 = 0 represents a pair of straight lines, are

  • Question 5
    4 / -1

    The equation (x – 5)2 + (x – 5)(y – 6) –2(y – 6)2 = 0 represents

  • Question 6
    4 / -1

    A second degree homogeneous equation in x and y always represents

  • Question 7
    4 / -1

    If 4ab = 3h2, then the ratio of slopes of the lines represented by the equation ax2 + 2hxy + by2 = 0 will be

  • Question 8
    4 / -1

    The lines a2 x2 + bcy2 = a(b + c)xy will be coincident, if

  • Question 9
    4 / -1

    The equation xy + a2 = a(x + y) represents

  • Question 10
    4 / -1

    The equation 2y2 – xy – x2 + 6x – 8 = 0 represents

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