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Mathematics
List of top Mathematics Questions asked in JEE Main
\(tan^{-1}(\frac {1+\sqrt 3}{3+\sqrt 3})+sec^{-1}(\sqrt {\frac {8+4\sqrt 3}{3+3\sqrt 3})}\)
is equal to:
JEE Main - 2023
JEE Main
Mathematics
Inverse Trigonometric Functions
Let a tangent to the curve $y^2=24 x$ meet the curve $x y=2$ at the points $A$ and $B$ Then the mid points of such line segments $A B$ lie on a parabola with the
JEE Main - 2023
JEE Main
Mathematics
Parabola
The value of $\displaystyle\sum_{r=0}^{22}{ }^{22} C_r{ }^{23} C_r$ is
JEE Main - 2023
JEE Main
Mathematics
Combinations
If the vectors
\(\overrightarrow{a} =\lambda \hat{i}+\mu\hat{j}+4\hat{k}\)
,
\(\overrightarrow{b}=-2\hat{i}+4\hat{j}-2\hat{k}\)
and
\(\overrightarrow{c}=2\hat{i}+3\hat{j}+\hat{k}\)
are coplanar and the projection of
\(\overrightarrow{a}\)
on the vector
\(\overrightarrow{b}\)
is
\(\sqrt{54}\)
units, then the sum of all possible values of
\(\lambda + \mu\)
is equal to
JEE Main - 2023
JEE Main
Mathematics
Addition of Vectors
Let [x] denote the greatest integer ≤ x. Consider the function
\(f(x)=max \{x^2,1+[x] \}\)
. Then the value of the integral
\(∫_0^2 f(x)dx\)
is
JEE Main - 2023
JEE Main
Mathematics
integral
$\displaystyle\lim _{t \rightarrow 0}\left(1^{\frac{1}{\sin ^2 t}}+2^{\frac{1}{\sin ^2 t}}+\ldots+n^{\frac{1}{\sin ^2 t}}\right)^{\sin ^2 t}$ is equal to
JEE Main - 2023
JEE Main
Mathematics
Limits
The distance of the point $(7,-3,-4)$ from the plane passing through the points $(2,-3,1),(-1,1,-2)$ and $(3,-4,2)$ is :
JEE Main - 2023
JEE Main
Mathematics
Three Dimensional Geometry
Let the tangents at the points A(4, –11) and B(8, –5) on the circle
\(x^2+y^2-3x+10y-15=0\)
, intersect at the point C. Then the radius of the circle, whose centre is C and the line joining A and B is its tangent, is equal to
JEE Main - 2023
JEE Main
Mathematics
Tangents and Normals
Let B and C be the two points on the line
\(y + x = 0\)
such that B and C are symmetric with respect to the origin. Suppose A is a point on
\(y – 2x = 2\)
such that
\(\Delta ABC\)
is an equilateral triangle. Then, the area of the
\(\Delta ABC\)
is
JEE Main - 2023
JEE Main
Mathematics
Triangles
A light ray emits from the origin making an angle
\(30\degree\)
with the positive x-axis. After getting reflected by the line
\(x + y = 1\)
, if this ray intersects x-axis at Q, then the abscissa of Q is
JEE Main - 2023
JEE Main
Mathematics
Tangents and Normals
Let
\(\Delta\)
be the area of the region
\(\{(x,y)∈R^2:x^2+y^2≤21,y^2≤4x,x≥1\}\)
. Then
\(\frac{1}{2}(\Delta-21\text{ sin}^{-1} (\frac{2}{\sqrt7}))\)
is equal to
JEE Main - 2023
JEE Main
Mathematics
Area of a Triangle - by Heron’s Formula
Let
\(A=\{(x,y) ∈R^2:y≥0,2x≤y≤\sqrt{4-(x-1)^2} \}\)
and
\(B=\{(x,y) ∈R\times R:0≤y≤min \{2x,\sqrt{4-(x-1)^2}\}\}\)
Then the ratio of the area of A to the area of B is
JEE Main - 2023
JEE Main
Mathematics
Area under Simple Curves
Let
\(f(x)=x+\frac{a}{\pi^2-4} sinx+\frac{b}{\pi^2-4} cos x\)
,
\(x∈R\)
be a function which satisfies
\(f(x)=x+∫_0^{\frac{\pi}{2}} sin(x+y) f(y)dy\)
. Then (a+b) equal to
JEE Main - 2023
JEE Main
Mathematics
integral
Let
\(x = 2\)
be a root of the equation
\(x^2 + px + q = 0\)
and
\(f(x)=\begin{cases}\frac{1-cos(x^2-4px+q^2+8q+16)}{(x-2p)^4} & x≠2p\\0 & x=2p\end{cases}\)
.
Then
\(lim_{x \rightarrow 2p}[f(x)]\)
, where [·] denotes greatest integer function, is
JEE Main - 2023
JEE Main
Mathematics
Continuity and differentiability
Let α and β be real numbers. Consider a
\(3 \times 3\)
matrix A such that
\(A^2 = 3A + \alpha I\)
. If
\(A^4 = 21A + \beta I\)
, then
JEE Main - 2023
JEE Main
Mathematics
Operations on Real Numbers
Consider the following system of equations
\(\alpha x + 2y + z = 1\)
\(2\alpha x + 3y + z = 1\)
\(3x + \alpha y + 2z = b\)
For some
\(\alpha,\beta∈R\)
then which of the following is NOT correct?
JEE Main - 2023
JEE Main
Mathematics
Linear Equations
Let
\(λ ≠ 0\)
be a real number. Let α, β be the roots of the equation
\(14x^2 – 31x + 3λ = 0\)
and α, γ be the roots of the equation
\(35x^2 – 53x + 4λ = 0\)
. Then
\(\frac{3\alpha}{\beta}\)
and
\(\frac{4\alpha}{\lambda}\)
are the roots of the equation
JEE Main - 2023
JEE Main
Mathematics
Operations on Real Numbers
For two non-zero complex numbers z
1
and z
2
, if Re(z
1
z
2
) = 0 and Re(z
1
+ z
2
), then which of the following are possible?
A. Im(z
1
) > 0 and Im(z
2
) > 0 |
B. Im(z
1
) < 0 and Im(z
2
) > 0
C. Im(z
1
) > 0 and Im(z
2
) < 0
D. Im(z
1
) < 0 and Im(z
2
) < 0
Choose the correct answer from the options given below
JEE Main - 2023
JEE Main
Mathematics
Complex Numbers and Quadratic Equations
Let f: R→R be a function such that
\(f(x)=\frac{x^2+2x+1}{x^2+1}\)
. Then
JEE Main - 2023
JEE Main
Mathematics
Relations and functions
The domain of
\(f(x)=\frac{log_{x+1}(x-2)}{e^{2logx}-(2x+3)}\)
,
\(x∈R\)
is
JEE Main - 2023
JEE Main
Mathematics
Trigonometric Functions
The domain of the function f(x) =
\(\frac{1}{\sqrt{[x]^2-3[x]-10}}\)
is (where [x] denotes the greatest integer less than or equal to x)
JEE Main - 2023
JEE Main
Mathematics
Functions
Let $\lambda \in R$ and let the equation $E$ be $|x|^2-2|x|+|\lambda-3|=0$. Then the largest element in the set $S=$ $\{x+\lambda: x$ is an integer solution of $E\}$ is
JEE Main - 2023
JEE Main
Mathematics
matrix transformation
Let
\(f(x)\)
be a quadratic polynomial with leading coefficient 1 such that
\(f(0) = p, p≠0\)
and
\(f(1)=\frac{1}{3}\)
. If the equation
\(f(x) = 0\)
and
\(fofofof(x) = 0\)
have a common real root, then
\(f(–3)\)
is equal to.......................
JEE Main - 2023
JEE Main
Mathematics
Derivatives
If $\int_{0}^{1} $ 1/(5+2x-2x
2
)(1+e
(2-4x)
) dx = 1/log
e
(α+1/β) a, β>0, then a
4
- β
4
is equal to
JEE Main - 2023
JEE Main
Mathematics
integral
Let the point $P(\alpha, \beta)$ be at a unit distance from each of the two lines $L _1: 3 x -4 y +12=0$, and $L _2: 8 x +6 y +11=0$ If $P$ lies below $L _1$ and above $L _2$, then $100(\alpha+\beta)$ is equal to
JEE Main - 2023
JEE Main
Mathematics
Distance of a Point From a Line
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