The value of $k\in\mathbb{N}$ for which the integral $I_n=\displaystyle\int_{0}^{1}(1-x^{k})^{n},dx,\ n\in\mathbb{N}$, satisfies $147I_{20}=148I_{21}$ is:

1

Let $A=\left[\begin{array}{lll}2 & a & 0 \\ 1 & 3 & 1 \\ 0 & 5 & b\end{array}\right]$. If $A^3=4 A^2-A-21 I$, where $I$…

Topic: JEE Main 2024 (8 April Morning Shift)

1

Let $f(x)=4\cos^{3}x+3\sqrt{3}\cos^{2}x-10$. The number of points of local maxima of $f$ in the interval $(0,2\pi)$ is:

Topic: JEE Main 2024 (8 April Morning Shift)

2

The set of all $\alpha$ for which the vectors $\vec a=\alpha t,\hat i+6,\hat j-3,\hat k$ and $\vec b=t,\hat i-2,\hat j-…

Topic: JEE Main 2024 (8 April Morning Shift)

3

Let the circles $C_1:(x-\alpha)^2+(y-\beta)^2=r_1^2$ and $C_2:(x-8)^2+\left(y-\dfrac{15}{2}\right)^2=r_2^2$ touch each …

Topic: JEE Main 2024 (8 April Morning Shift)

4

Let $f(x)$ be a positive function such that the area bounded by $y=f(x)$, $y=0$ from $x=0$ to $x=a>0$ is $e^{-a}+4a^{2}…

Topic: JEE Main 2024 (8 April Morning Shift)

5

Let $H:\dfrac{-x^2}{a^2}+\dfrac{y^2}{b^2}=1$ be the hyperbola whose eccentricity is $\sqrt{3}$ and the length of the la…

Topic: JEE Main 2024 (8 April Morning Shift)

6

The number of critical points of the function $f(x)=(x-2)^{2/3}(2x+1)$ is:

Topic: JEE Main 2024 (8 April Morning Shift)

7

Let $y=y(x)$ be the solution of the differential equation $(1+y^{2})e^{\tan x},dx+\cos^{2}x,(1+e^{2\tan x}),dy=0$, $y(0…

Topic: JEE Main 2024 (8 April Morning Shift)

8

Let the sum of two positive integers be $24$. If the probability that their product is not less than $\dfrac{3}{4}$ tim…

Topic: JEE Main 2024 (8 April Morning Shift)

9

For the function $f(x)=\cos x - x + 1,; x\in\mathbb{R}$, consider the statements (S1) $f(x)=0$ for only one value of $x…

Topic: JEE Main 2024 (8 April Morning Shift)

10

Let $P(x,y,z)$ be a point in the first octant whose projection on the $xy$–plane is $Q$. Let $OP=\gamma$; the angle bet…

Topic: JEE Main 2024 (8 April Morning Shift)