1
KCET 2026
MCQ (Single Correct Answer)
+1
-0
Sum of the squares of the order and degree (if defined) of a differential equation $2 y^{\prime}+\left(y^{\prime \prime}\right)^2=\sqrt{y^{\prime \prime}-3}$ is
A
$3$
B
$20$
C
$8$
D
$16$
2
KCET 2026
MCQ (Single Correct Answer)
+1
-0
$\int xf(x)\,dx + \dfrac{f(x)}{2} = 0$, then $f(x)$ is equal to
A
$e^{-2x}$
B
$e^{2x}$
C
$e^{-x^2}$
D
$e^{x^2}$
3
KCET 2026
MCQ (Single Correct Answer)
+1
-0
If $\sqrt{x} \sqrt[3]{y} = (x + y)^n$ and $x\dfrac{dy}{dx} - y = 0$, then $n = $
A
$1$
B
$\dfrac{6}{5}$
C
$\dfrac{5}{6}$
D
$\dfrac{4}{9}$
4
KCET 2026
MCQ (Single Correct Answer)
+1
-0
Integrating factor of the differential equation $(1 + x^2)\dfrac{dy}{dx} + xy = 1$ is
A
$1 + x^2$
B
$\dfrac{1}{2}\log(1 + x^2)$
C
$\dfrac{x}{1 + x^2}$
D
$\sqrt{1 + x^2}$