List of top Mathematics Questions

If \(AB = A\) and \(BA = B\), where \(A\) and \(B\) are square matrices of same order, then
If \(\Delta = \begin{vmatrix} 1 & x & x^2 \\ x^2 & 1 & x \\ x & x^2 & 1 \end{vmatrix} = (1 + ax^3)^b\), then which of the following statements are TRUE?
A. \(a = -1\) and \(b = 2\)
B. \(x = 1\) is a multiple root of \(\Delta = 0\)
C. \(x = 1\) is a simple root of \(\Delta = 0\)
D. \(x = 3\) is a simple root of \(\Delta = 0\)
Choose the correct answer from the options given below:
If \( \sin x \cos x = \frac{1}{4} \), then the general solution is:
The minimum value of \(Z = 3x+y\), subject to the constraints \(2x+3y\leq 6,x+y\geq 1,x\geq 0,y\geq 0\) is....
If A and B are two events such that \(P(A) = \frac{2}{3}\), \(P(B) = \frac{1}{2}\) and \(P(A|B) = \frac{2}{3}\), then \(P(A^'\cup B)+P(A\cup B^') =\)
The centers for disease control have determined that when a person is given a vaccine, the probability that the person will develop immunity to a virus is \(0.8\). If \(8\) people are given this vaccine, then the probability that exactly \(4\) will develop immunity is...
The Variance of the following probability distribution of X is
X\(0\)\(1\)\(2\)\(3\)
P(X)\(q^3\)\(3q^2p\)\(3qp^2\)\(p^3\)
where \(0 < p < 1,q = 1-p\)
The direction cosines of a line which is perpendicular to the lines \(\frac{x-7}{2} = \frac{y+17}{-3} = \frac{z-6}{1}\) and \(\frac{x+5}{1} = \frac{y+3}{2} = \frac{z-6}{-2}\) are...
For the line \(\frac{x+1}{1} = \frac{y-2}{2} = \frac{z+3}{3}\), identify the incorrect statement among the following.
If a unit vector makes angles \(\frac{π}{4}\) with \(\hat{i}\), \(\frac{π}{3}\) with \(\hat{j}\) and \(θ\in (0,π)\) with \(\hat{k}\), then a value of \(θ\) is equal to...
The equation of the plane containing the lines \(\frac{x-1}{2} = \frac{y+1}{λ} = \frac{z}{2}\) and \(\frac{x+1}{5} = \frac{y+1}{2} = \frac{z}{λ}\) is
If the lines \(\frac{x-5}{5m+2} = \frac{2-y}{5} = \frac{1-z}{-1}\) and \(x = \frac{2y+1}{4m} = \frac{1-z}{-3}\) are perpendicular to each other, then the value of m is ...
Let \((\overset{̄}{p}∧\overset{̄}{q})\) denote the angle between \(\overset{̄}{p}\) and \(\overset{̄}{q}\). If \(\overset{̄}{a}+\overset{̄}{b}+\overset{̄}{c} = \overset{̄}{0},|\overset{̄}{a}| = 7,|\overset{̄}{b}| = 5\) and \(|\overset{̄}{c}| = 3\) then (take \(π = \frac{22}{7}\))
If \(\overset{̄}{a}\) and \(\overset{̄}{b}\) are unit vectors and \(θ\) (\(0 < θ < π\)) is the angle between them, then the value of \(\frac{|\overset{̄}{a}+\overset{̄}{b}|}{|\overset{̄}{a}-\overset{̄}{b}|}\) is equal to...
The solution of the differential equation \(x^2\frac{dy}{dx}-xy = 1\) is...
The vector \(\overset{̄}{r}\) whose magnitude is \(3\sqrt{2}\) units and which makes angles of \(\frac{π}{4}\) and \(\frac{π}{2}\) with the positive y- and z-axes respectively is....
If the differential equation \(\begin{array}{cc}f(x) & f^'(x) \\ f^'(x) & f^{''}(x)\end{array} = 0\) for all \(x\) and \(f(0) = 1,f^'(0) = 2\), then...
If ABCDEF is a regular hexagon and \(\overline{AB}+\overline{AC}+\overline{AD}+\overline{AE}+\overline{AF} = p\overline{AD} = q\overline{AO}\), where O is the center of the hexagon, then the values of \(p\) and \(q\) respectively are
The solution of the differential equation \(\frac{dy}{dx} = e^{x-y}+x^2e^{-y}\) is...
If \(f(x)\) and \(g(x)\) are integrable functions then \([\int f(x)dx][\int g(x)dx] =\)
If an antiderivative of \(f(x)\) is \(e^x\) and an antiderivative of \(g(x)\) is \(cosx\), then \(\int f(x)cosx\,dx+\int g(x)e^x\,dx =\)
The value of the integral \(\int _{-π/2}^{π/2}(\frac{x^2cosx}{1+e^x})dx\) is equal to \((\frac{π^2}{A})-B\). Then \((\frac{A}{B}) =\)
\(\int _0^{log10}[\frac{e^x\sqrt{e^x-1}}{e^x+8}]dx =\)
If the area bounded by the curve \(x^2 = by\) and the lines \(y = 1,y = 4\) in the first quadrant is \(28\) sq. units, then the value of b is...
The area of the smaller region bounded by the circle \(x^2+y^2 = 4\) and the line \(x = 1\) is...