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QJEE MAIN 2021
Let $y=y(x)$ be the solution of the differential equation $x d y-y d x=\sqrt{\left(x^2-y^2\right)} d x, x \geq 1$, with $y$ (1) $=0$. If the...
JEE MainMathematicsHard
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QJEE-MAIN 2021
In the curve y = y (x) is the solution of the differential equation $...
JEE MainMathematicsHard
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QJEE-MAIN 2021
Let y = y (x) be the solution of the differential equation
JEE MainMathematicsHard
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QJEE MAIN_2021_
If $f(x)=\sin \left(\cos ^{-1}\left(\frac{1-2^{2 x}}{1+2^{2 x}}\right)\right)$ and its firs t derivative with respect to $x$ is $-\frac{b}{a} \log _e 2$ when $x=1$, where $a$ and...
JEE MainMathematicsEasy
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Q JEE MAIN 2021
Let a curve $y=y(x)$ be given by the solution of the differential equation $$ \cos \left(\frac{1}{2} \cos ^{-1}\left(e^{-x}\right)\right) d x=\sqrt{e^{2 x}-1} d y $$ If...
JEE MainMathematicsHard
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QJEE MAIN_2021_
Which of the following is true for y (x) that satisfies the differential equation
JEE MainMathematicsEasy
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QJEE MAIN 2021
Let C 1 be the curve obtained by the solution of differential equation $2 x y \frac{d y}{d x}=y^2-x^2, x>0$. Let the curve $C_2$ be...
JEE MainMathematicsMedium
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QJEE MAIN 2021
Let $y=y(x)$ satisfies the equation $\frac{d y}{d x}-|A|=0$, for all $x>0$ where $...
JEE MainMathematicsMedium
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QJEE MAIN 2021
If $y=y(x)$ is the solution of the differential equation $\frac{d y}{d x}+(\tan x) y=\sin x, 0 \leq x \leq \frac{\pi}{3}$, with $y(0)=0$, then $y\left(\frac{\pi}{4}\right)$ equal...
JEE MainMathematicsEasy
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QJEE MAIN 2021
If a curve $y=f(x)$ passes through the point $(1,2)$ and satisfies $x \frac{d y}{d x}+y=b x^4$, then for what value of $...
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