1
AP EAPCET 2022 - 4th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

By eliminating the arbitrary constants from $$y=(a+b) \sin (x+c)-d e^{x+e+f}$$, then differential equation has order of

A
6
B
4
C
3
D
5
2
AP EAPCET 2022 - 4th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

If the solution of $$\frac{d y}{d x}-y \log _e 0.5=0, y(0)=1$$, and $$y(x) \rightarrow k$$, as $$x \rightarrow \infty$$, then $$k=$$

A
$$\infty$$
B
$$-1$$
C
1
D
0
3
AP EAPCET 2022 - 4th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

$$y=A e^x+B e^{-2 x}$$ satisfies which of the following differential equations?

A
$$\frac{d^2 y}{d x^2}-\frac{d y}{d x}+2 y=0$$
B
$$\frac{d^2 y}{d x^2}-2 \frac{d y}{d x}-y=0$$
C
$$\frac{d^2 y}{d x^2}-2 \frac{d y}{d x}+y=0$$
D
$$\frac{d^2 y}{d x^2}+\frac{d y}{d x}-2 y=0$$
4
AP EAPCET 2021 - 20th August Morning Shift
MCQ (Single Correct Answer)
+1
-0

The solution of the differential equation $$2x\left(\frac{dy}{dx}\right)-y=4$$ represents a family of

A
ellipse
B
parabola
C
straight line
D
circle
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