If the system of equations

$\alpha$x + y + z = 5, x + 2y + 3z = 4, x + 3y + 5z = $\beta$

has infinitely many solutions, then the ordered pair ($\alpha$, $\beta$) is equal to :

1

Let f : R $\to$ R be defined as f (x) = x $-$ 1 and g : R $-$ {1, $-$1} $\to$ R be defined as $g(x) = {{{x^2}} \over {{…

Topic: JEE Main 2022 (26 June Evening Shift)

1

$\mathop {\lim }\limits_{x \to 0} {{\cos (\sin x) - \cos x} \over {{x^4}}}$ is equal to :

Topic: JEE Main 2022 (26 June Evening Shift)

2

Let f(x) = min {1, 1 + x sin x}, 0 $\le$ x $\le$ 2$\pi $. If m is the number of points, where f is not differentiable a…

Topic: JEE Main 2022 (26 June Evening Shift)

3

Consider a cuboid of sides 2x, 4x and 5x and a closed hemisphere of radius r. If the sum of their surface areas is a co…

Topic: JEE Main 2022 (26 June Evening Shift)

4

The area of the region bounded by y2 = 8x and y2 = 16(3 $-$ x) is equal to:

Topic: JEE Main 2022 (26 June Evening Shift)

5

If $\int {{1 \over x}\sqrt {{{1 - x} \over {1 + x}}} dx = g(x) + c} $, $g(1) = 0$, then $g\left( {{1 \over 2}} \right)$…

Topic: JEE Main 2022 (26 June Evening Shift)

6

If $y = y(x)$ is the solution of the differential equation $x{{dy} \over {dx}} + 2y = x\,{e^x}$, $y(1) = 0$ then the lo…

Topic: JEE Main 2022 (26 June Evening Shift)

7

f the solution of the differential equation ${{dy} \over {dx}} + {e^x}\left( {{x^2} - 2} \right)y = \left( {{x^2} - 2x}…

Topic: JEE Main 2022 (26 June Evening Shift)

8

The locus of the mid point of the line segment joining the point (4, 3) and the points on the ellipse ${x^2} + 2{y^2} =…

Topic: JEE Main 2022 (26 June Evening Shift)

9

Let $\overrightarrow a = \widehat i + \widehat j + 2\widehat k$, $\overrightarrow b = 2\widehat i - 3\widehat j + \wi…

Topic: JEE Main 2022 (26 June Evening Shift)

10

The mean and standard deviation of 50 observations are 15 and 2 respectively. It was found that one incorrect observati…

Topic: JEE Main 2022 (26 June Evening Shift)