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Mathematics
List of top Mathematics Questions asked in JEE Main
If the equation of a line which divides the line segment joining the points \((1,0)\) and \((3,0)\) in the ratio \(2:1\) and is also perpendicular to it, is \(ax=7\), then the value of \(a\) is equal to :
JEE Main - 2021
JEE Main
Mathematics
Coordinate Geometry
Equations of the common tangent of the ellipse \(\frac{(x+1)^{2}}{2^{2}}+\frac{(y-1)^{2}}{3^{2}}=1\) and the circle \((x+1)^{2}+(y-1)^{2}=4\) are :
JEE Main - 2021
JEE Main
Mathematics
Conic sections
Equation of the circle, which is the mirror image of the circle \(x^{2}+y^{2}-2x=0\) with respect to the line \(x+y=2\), is :
JEE Main - 2021
JEE Main
Mathematics
Coordinate Geometry
Derivative of \(\tan^{-1}\left(\frac{2x}{1-x^{2}}\right)\) with respect to \(\sin^{-1}\left(\frac{2x}{1+x^{2}}\right)\) in \((1, \infty)\), is :
JEE Main - 2021
JEE Main
Mathematics
Functions
The values of \(s\) and \(t\), for which the system of equations
\(x_{1}+x_{2}+x_{3}=5\)
\(x_{1}+2x_{2}+3x_{3}=9\)
\(x_{1}+3x_{2}+sx_{3}=t\)
has no solution, are :
JEE Main - 2021
JEE Main
Mathematics
Determinants
The probability of solving a problem in Mathematics by two students X and Y are \(\frac{1}{4}\) and \(\frac{1}{5}\) respectively. If both of them try to solve the problem independently, then the probability that the problem will be solved by exactly one of them is equal to :
JEE Main - 2021
JEE Main
Mathematics
Probability
The distance between the planes \(\vec{r}\cdot(2\hat{i}+\hat{j}-2\hat{k})+5=0\) and \(\vec{r}\cdot(6\hat{i}+3\hat{j}-6\hat{k})+2=0\) is :
JEE Main - 2021
JEE Main
Mathematics
3D Geometry
The polar form of the complex number \(\frac{1+i}{1-i}\) is equal to :
JEE Main - 2021
JEE Main
Mathematics
Complex numbers
If \( y=\frac{ax-b}{(x-1)(x-4)} \) has an extremum at the point \( (2,-1) \), then the values of \( a \) and \( b \) are :
JEE Main - 2021
JEE Main
Mathematics
Application of derivatives
There are 4, 5 and 6 points on the three parallel and co-planar lines. If no set of four or more points is cyclic and no set of three points lying on distinct lines is collinear, then the number of circles passing through exactly three points is :
JEE Main - 2021
JEE Main
Mathematics
permutations and combinations
The sum of infinite number of terms of a Geometric Progression is 3 and the sum of the squares of its terms is \( \frac{9}{2} \). The sum of the cubes of its terms is :
JEE Main - 2021
JEE Main
Mathematics
Sequences and Series
The least positive integral value of \( \lambda \) such that \( 10^{50}+(3 \times(4)^{52})+\lambda \) is divisible by 9 is :
JEE Main - 2021
JEE Main
Mathematics
Binomial theorem
\( \sum_{n=1}^{\infty} \frac{2n^{2}+7n+5}{n!} \) is equal to :
JEE Main - 2021
JEE Main
Mathematics
Sequences and Series
Which of the following Boolean expression is a tautology ?
JEE Main - 2021
JEE Main
Mathematics
mathematical reasoning
Let \( |a|<1,|b|<1,|c|<1 \) and \( x=\sum_{n=0}^{\infty} a^{n}, y=\sum_{n=0}^{\infty} b^{n}, z=\sum_{n=0}^{\infty} c^{n} \). If \( \frac{1}{x}, \frac{1}{y}, \frac{1}{z} \) are in Arithmetic Progression, then :
JEE Main - 2021
JEE Main
Mathematics
Sequences and Series
The value of the integral \( \int_{-4}^{4}\left|9-x^{2}\right| \mathrm{d}x \) is :
JEE Main - 2021
JEE Main
Mathematics
Limits
All the arrangements, with or without meaning, of the word FARMER are written excluding any word that has two R appearing together. The arrangements are listed serially in the alphabetic order as in the English dictionary. Then the serial number of the word FARMER in this list is ___________.
JEE Main - 2021
JEE Main
Mathematics
permutations and combinations
If the sum of the coefficients in the expansion of \((x+y)^n\) is 4096, then the greatest coefficient in the expansion is _____________.
JEE Main - 2021
JEE Main
Mathematics
binomial expansion formula
Let \(\vec{a}=2\hat{i}-\hat{j}+2\hat{k}\) and \(\vec{b}=\hat{i}+2\hat{j}-\hat{k}\). Let a vector \(\vec{v}\) be in the plane containing \(\vec{a}\) and \(\vec{b}\). If \(\vec{v}\) is perpendicular to the vector \(3\hat{i}+2\hat{j}-\hat{k}\) and its projection on \(\vec{a}\) is 19 units, then \(\left|2\vec{v}\right|^2\) is equal to ______________.
JEE Main - 2021
JEE Main
Mathematics
Vector Algebra
A man starts walking from the point P(\(-3\), 4), touches the x-axis at R, and then turns to reach at the point Q(0, 2). The man is walking at a constant speed. If the man reaches the point Q in the minimum time, then \(50\left((PR)^2+(RQ)^2\right)\) is equal to ____________.
JEE Main - 2021
JEE Main
Mathematics
Straight lines
Let [t] denote the greatest integer \(\le t\). The number of points where the function \(f(x)=[x]\left|x^2-1\right|+\sin\left(\frac{\pi}{[x]+3}\right)-[x+1],\ x\in(-2,2)\) is not continuous is _____________.
JEE Main - 2021
JEE Main
Mathematics
types of functions
Let X be a random variable with distribution.
x
\(-2\)
\(-1\)
3
4
6
P(X = x)
\(\frac15\)
a
\(\frac13\)
\(\frac15\)
b
If the mean of X is 2.3 and variance of X is \(\sigma^2\), then \(100\sigma^2\) is equal to :
JEE Main - 2021
JEE Main
Mathematics
Probability
Let the points of intersections of the lines \(x-y+1=0\), \(x-2y+3=0\) and \(2x-5y+11=0\) are the mid points of the sides of a triangle \(\Delta ABC\). Then, the area of the \(\Delta ABC\) is ______________.
JEE Main - 2021
JEE Main
Mathematics
Coordinate Geometry
If for the complex numbers z satisfying \(|z-2-2i|\le1\), the maximum value of \(|3iz+6|\) is attained at \(a+ib\), then \(a+b\) is equal to ______________.
JEE Main - 2021
JEE Main
Mathematics
Tangents and Normals
Let f(x) be a polynomial of degree 3 such that \(f(k)=-\frac{2}{k}\) for k = 2, 3, 4, 5. Then the value of \(52-10f(10)\) is equal to :
JEE Main - 2021
JEE Main
Mathematics
Quadratic Equations
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