The area of the region defined by $||x|-|y||\leq1$ and $x^2+y^2\leq1$ in the $xy$-plane is
Previous 10 Questions — AMU MCA 2018
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The points $z_1=x+iy$ and $z_2=\frac{1}{-x+iy}$ in the complex plane lie on
Topic: AMU MCA 2018
The amplitude of the complex number $1+\sin\alpha-i\cos\alpha$ is
Topic: AMU MCA 2018
$y=a\cos(\log x)+b\sin(\log x)$ is a solution of the differential equation
Topic: AMU MCA 2018
The minimum value of $z=2x_1+3x_2$ subject to the constraints
$2x_1+7x_2\geq22,\ x_1+x_2\geq6,\ 5x_1+x_2\geq10$ and $x_…
Topic: AMU MCA 2018
A fair coin is tossed $n$ times. Let the random variable $X$ denote the number of times the head occurs. If $P[X=1],\ P…
Topic: AMU MCA 2018
The coefficient of $x^{53}$ in the expansion
$\sum_{m=0}^{100} {^{100}C_m}(x-3)^{100-m}\cdot2^m$ is
Topic: AMU MCA 2018
A five-digit number divisible by $3$ is to be formed using the numbers $0,1,3,4$ and $5$ without repetition. The total …
Topic: AMU MCA 2018
The solution of the inequality $|x^2-4x|
Topic: AMU MCA 2018
Consider the following relations in the real numbers
$R_1={(x,y)\mid x^2+y^2\leq25}$
$R_2={(x,y)\mid y\geq\frac{4x^2}…
Topic: AMU MCA 2018
The solution of the differential equation
$\frac{dy}{dx}=\frac{2xy-y^2}{2xy-x^2}$ is
Topic: AMU MCA 2018
Next 10 Questions — AMU MCA 2018
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The solution set of the inequality
$\log_{\sin(\pi/3)}(x^2-3x+2)\geq2$ is
Topic: AMU MCA 2018
If $S$ and $S'$ are the foci of the ellipse $\frac{x^2}{25}+\frac{y^2}{26}=1$, and $P$ is any point on it then range of…
Topic: AMU MCA 2018
The length of perpendicular from the point $\hat{i}+2\hat{j}+3\hat{k}$ to the line
$\frac{x-6}{3}=\frac{y-7}{2}=\frac{z…
Topic: AMU MCA 2018
Area of one loop formed by $|y|=|\sin x|$ is
Topic: AMU MCA 2018
Let $\alpha_n$ be the $n$th term of an AP, whose first term is $a$ and common difference is $d$. If for some positive i…
Topic: AMU MCA 2018
The unit vector which is orthogonal to the vector $\hat{i}+\hat{j}+\hat{k}$ and is coplanar with vectors $\hat{i}+2\hat…
Topic: AMU MCA 2018
If $\lim_{x\to0}|x|^{[\cos x]}=l$, where $[.]$ denotes the greatest integer function, then the value of $l$ is
Topic: AMU MCA 2018
If $\cot^{-1}(\sqrt{\cos\alpha})-\tan^{-1}(\sqrt{\cos\alpha})=x$, then $\sin x$ is equal to
Topic: AMU MCA 2018
The area bounded by the curve
$y=\begin{cases} x^{1/\ln x}, & x\ne1 \ e, & x=1 \end{cases}$ and $y=|x-e|$ is
Topic: AMU MCA 2018
The distance of point of intersection of the line
$\frac{x-2}{3}=\frac{y+1}{4}=\frac{z-2}{12}$ with the plane $x-y+z=5$…
Topic: AMU MCA 2018
