Area bounded by the curve xy2 = a2 (a - x) and y-axis is
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Let f(x) = [cos x + sin x], 0 < x < 2π where [x] denotes the greatest integer less than or equal to x. The number of points of discontinuity of f(x) is
The term independent of x in the expansion of ((2x) - (3/x))6 is
The lines 2x - 3y = 5 and 3x - 4y = 7 are the diameters of a circle of area 154 square units. The equation of the circle is
Coordinates of two points are A(1,0) and B(-1,0) and Q is a point which satisfies AQ-BQ = + 1. The locus of the point Q is
The equation of tangent at point (1,2) to the parabola y2=4x is
The area bounded by the curve y=sinx, y=0, x=0 and x=(π/2) is
The family of curves, in which the subtangent at any point to any curve is double the abscissa, is given by
The ratio of the altitude of the cone of greatest volume which can be inscribed in a given sphere to the diameter of the sphere is
In a certain distribution, the following results were obtained , Median = 48, Coefficient of skewness = -0.3.
What is the value of standard deviation?
The angle between lines y2sin2θ-xysin2θ+x2(cos2θ-1) = 1 is
Three identical dice are rolled. The probability that the same number will appear on each of them is
If the sides of a triangle are proportional to the cosines of the opposite angles then the triangle is
If the difference between the corresponding roots of x2 + ax + b = 0 and x2 + bx + a = 0 is same and a ≠ b, then
If A.M. between two numbers is 5 and their G.M. is 4, then their H.M. is
A condition for a function y = f (x) to have an inverse is that it should be
The number of 4-digit even numbers that can be formed using 0, 1, 2, 3, 4, 5, 6 without repetition is
A line passing through point A(-5,-4) meet other three lines x + 3y + 2 = 0, 2x + y + 4 = 0 and x - y - 5 = 0 at B, C and D respectively. If (15/AB )2 + (10/AC)2 = (6/AD)2, then the equation of line is
X follows a binomial distribution with parameters n = 6 and p. If 4 P (X = 4) = P (X = 2), then p =
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1 videos|1 docs|68 tests
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