Competishun Header
Competishun
Contact Us
Back

Report Issue

JEE MAIN 2021
26-02-2021 S1
Question
Select the correct option:
A
$\frac{1-y^2}{y \sqrt{y}}$
B
$1-y^2$
C
$\frac{1-y^2}{1+y^2}$
D
$\frac{1-y^2}{2 y^2}$
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
Question Tags
JEE Main
Mathematics
Medium
Start Preparing for JEE with Competishun
YouTube
Books
App
Tests
Filters 0
JEE Main
JEE Advance
Easy
Medium
Hard
Showing 18 questions
QJEE Advance2007
The differential equation $\frac{d y}{d x}=\frac{\sqrt{1-y^2}}{y}$ determines a family of circles with
JEE AdvanceMathematicsEasy
View Solution→
QJEE Advance 20092009
A light inextensible string that goes over a smooth fixed pulley as shown in the figure connects two blocks of...
JEE AdvancePhysicsEasy
View Solution→
QJEE Advance 20082008
Assume that the nuclear binding energy per nucleon (B/A) versus mass number (A) is as shown in the figure. Use...
JEE AdvancePhysicsEasy
View Solution→
QJEE Advance 20112011
Consider the parabola $y^2=8 x$. Let $\Delta_1$ be the area of the triangle formed by the end points of its...
JEE AdvanceMathematicsEasy
View Solution→
QJEE Advance2007
Let $\mathrm{O}(0,0), \mathrm{P}(3,4), \mathrm{Q}(6,0)$ be the vertices of the triangle OPQ . The point R inside the triangle OPQ is...
JEE AdvanceMathematicsEasy
View Solution→
QJEE Advance 20092009
A steady current I goes through a wire loop PQR having shape of a right angle triangle with $...
JEE AdvancePhysicsEasy
View Solution→
QJEE Advance 20112011
Let $\mathrm{a}, \mathrm{b}$ and c be three real numbers satisfying $...
JEE AdvanceMathematicsEasy
View Solution→
QJEE Advcance 20082008
The balls, having linear momenta $\overrightarrow{\mathrm{p}}_1=\mathrm{p} \hat{\mathrm{i}}$ and $\overrightarrow{\mathrm{p}}_2=-\mathrm{p} \hat{\mathrm{i}}$, undergo a collision in free space. There is no external...
JEE AdvancePhysicsEasy
View Solution→
QJEE Advance2007
Let ABCD be a quadrilateral with area 18 , with side AB parallel to the side CD and $\mathrm{AB}=2 \mathrm{CD}$....
JEE AdvanceMathematicsEasy
View Solution→
QJEE Advance 20112011
Let $\mathrm{a}, \mathrm{b}$ and c be three real numbers satisfying $...
JEE AdvanceMathematicsEasy
View Solution→
QJEE Advance2007
If $|z|=1$ and $z \neq \pm 1$, then all the values of $\frac{z}{1-z^2}$ lie on
JEE AdvanceMathematicsEasy
View Solution→
QJEE Advance2007
The letters of the word COCHIN are permuted and all the permutations are arranged in an alphabetical order as in...
JEE AdvanceMathematicsEasy
View Solution→
QJEE Advance 20112011
Let $\mathrm{a}, \mathrm{b}$ and c be three real numbers satisfying $...
JEE AdvanceMathematicsEasy
View Solution→
QJEE Advance 20082008
In a Young's double slit experiment, the separation between the two slits is d and the wavelength of the light...
JEE AdvancePhysicsEasy
View Solution→
QJEE Advance2007
$\frac{d^2 x}{d y^2}$ equals
JEE AdvanceMathematicsEasy
View Solution→
QJEE Advance2007
Let $\mathrm{f}(\mathrm{x})=\frac{\mathrm{x}}{\left(1+\mathrm{x}^{\mathrm{n}}\right)^{1 / \mathrm{n}}}$ for $\mathrm{n} \geq 2$ and $...
JEE MainMathematicsEasy
View Solution→
QJEE Advance 20082008
Figure shows three resistor configurations R1, R2 and R3 connected to 3V battery. If the power dissipated by the configuration...
JEE AdvancePhysicsEasy
View Solution→
QJEE Advance2007
Let $\vec{a}, \vec{b}, \vec{c}$ be unit vectors such that $\vec{a}+\vec{b}+\vec{c}=\overrightarrow{0}$. Which one of the following is correct?
JEE AdvanceMathematicsEasy
View Solution→