List of top Mathematics Questions asked in AP EAPCET

The distance between the centres of similitude of the circles \( x^2 + y^2 + 6x - 8y + 16 = 0 \) and \( x^2 + y^2 - 2x - 2y + 1 = 0 \) is:
If \( A(4, 0) \) and \( B(-4, 0) \) are two points, then the locus of a point \( P \) such that \( PA - PB = 4 \) is:
If the chord of contact of the point \( P(1, 1) \) with respect to the circle \( S = x^2 + y^2 + 4x + 6y - 3 = 0 \) meet the circle \( S = 0 \) at A and B, then the area of \( \triangle PAB \) is:
Let \( A(1,2) \) be the centre and 3 be the radius of a circle \( S \). Let \( B(-1, -1) \) be the centre and \( r \) be the radius of another circle \( S_1 \). If \( \frac{\pi}{3} \) is the angle between the circles \( S \) and \( S_1 \), then the number of possible values of \( r \) is:
If the circles \( x^2 + y^2 - 2x + 4y + c = 0 \) and \( x^2 + y^2 + 2x - 4y + c = 0 \) have four common tangents, then
Let \( (1, 2) \) be the focus and \( x + y + 1 = 0 \) be the directrix of a hyperbola. If \( \sqrt{3} \) is the eccentricity of the hyperbola, then its equation is:
Let \( A(-1, 1, 2), B(1, 2, 3), C(1, 1, 6) \) be three points. If \( l_1, m_1, n_1 \) are the direction cosines of \( AB \) and \( l_2, m_2, n_2 \) are the direction cosines of \( AC \), then \( |l_1 l_2 + m_1 m_2 + n_1 n_2| = \)
If ad ≠ 0 and two of the lines represented by \( ax^3 + 3bx^2y + 3cxy^2 + dy^3 = 0 \) are perpendicular, then:
If \( Q \) is the inverse point of the point \( P(2, 3) \) with respect to the circle \( x^2 + y^2 - 2x - 2y + 1 = 0 \), then the circle with \( PQ \) as diameter is
The points on the curve \( y^2 = x + \sin x \) at which the normal is parallel to the Y-axis lie on
If the angle between the circles \( x^2 + y^2 + 2x - 4y + 1 = 0 \) and \( x^2 + y^2 - 4x - 2y + c = 0 \) is \( \frac{\pi}{4} \), then \( c \) is:
Let \( C \) be the centre and \( A \) be one end of a diameter of the circle \( x^2 + y^2 - 2x - 4y - 20 = 0 \). If \( P \) is a point on \( AC \) such that \( CP : PA = 2 : 3 \), then the locus of \( P \) is:
In \( \triangle ABC \), if \( r_1 - r = \frac{a}{3} \) and \( r_2 - r = \frac{b}{3} \), then \( r_1 + r_2 - r \) is:
Let \( S \) be the circumcircle of the triangle formed by the line \( x - 2y - 4 = 0 \) with the coordinate axes. If \( P(-2, -4) \) is a point in the plane of the circle \( S \) and \( Q \) is a point on \( S \) such that the distance between \( P \) and \( Q \) is the least, then \( PQ = \)
Coordinate planes and the planes \( \pi_1, \pi_2, \pi_3 \), which are respectively parallel to YZ, ZX, XY planes at distances a, b, c, form a rectangular parallelepiped. If \( d_1 \) is a diagonal of the face on XY-plane not passing through origin and \( d_2 \) is diagonal of plane \( \pi_2 \), then the cosine of the angle between \( d_1 \) and \( d_2 \) is:
Let \( S(1, 0) \) and \( S'(0, 1) \) be the foci of an ellipse such that \( SP + S'P = 2 \) for any point \( P \) on the ellipse. If \( A(x_1, y_1) \) and \( A'(x_2, y_2) \) are the end points of the major axis of this ellipse, then \( x_1 + x_2 + y_1 + y_2 = \)
In \( \triangle ABC \), the coordinates of the vertex \( A \) are \( (-3, 1) \). If the equation of the median through \( B \) is \( 2x + y - 3 = 0 \) and the equation of the bisector of angle \( C \) is \( 7x - 4y - 1 = 0 \), then the equation of the side \( BC \) is:
If the acute angle between the pair of tangents drawn from the origin to the circle \( x^2 + y^2 - 4x - 8y + 4 = 0 \) is \( \alpha \), then \( \tan \alpha = \)
A straight line L at a distance of 4 units from the origin makes positive intercepts on the coordinate axes and the perpendicular drawn from the origin to this line makes an angle of 60° with the line \( x + y = 0 \). Then the equation of the line L is:
If \( A(3, -1, 1), B(0, 2, 3), C(4, 8, 11) \) are three points, then the coordinates of the foot of the perpendicular drawn from the point A to the line joining the points B and C is:
Let the circle \( S: x^2 + y^2 + 2gx + 2fy + c = 0 \) cut the circles \( x^2 + y^2 - 2x + 2y - 2 = 0 \) and \( x^2 + y^2 + 4x - 6y + 9 = 0 \) orthogonally. If the centre of the circle \( S = 0 \) lies on the line \( 2x + 3y - 2 = 0 \), then \( 2g + f = \)
In $ \triangle ABC $, the expression $ \frac{a}{s-a} + \frac{b}{s-b} + \frac{c}{s-c} $ is equivalent to:
If p and q are the x and y intercepts respectively of the line passing through the points \( (a \cos \alpha, b \sin \alpha) \) and \( (a \cos \beta, b \sin \beta) \), then:
Let P and Q be the inverse points with respect to the circle \( S = x^2 + y^2 - 4x - 6y + k = 0 \), and C be the center of the circle. If \( CP.CQ = 4 \), and \( P = (1, 2) \), then \( Q = (a, b) \) and \( 2a = \dots \)
Given that the solid obtained by rotating a rectangle about one of its sides is a cylinder. If the perimeter of a rectangle is 48 cm and the volume of the cylinder formed by rotating it is maximum, then the dimensions of that rectangle is