Differential Equations · Mathematics · NDA
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NDA Mathematics 21 April 2024
Let $y_1(x)$ and $y_2(x)$ be two solutions of the differential equation $\frac{dy}{dx} = x$. If $y_1(0) = 0$ and $y_2(0) = 4$, then what is the number...
NDA Mathematics 21 April 2024
The differential equation, representing the curve $y = e^{x}(a\cos{x} + b\sin{x})$ where $a$ and $b$ are arbitrary constants, is
NDA Mathematics 21 April 2024
What are the order and degree respectively of the differential equation
$$
\left\{2-\left(\frac{d y}{d x}\right)^2\right\}^{0-6}=\frac{d^2 y}{d x^2} ?...
NDA Mathematics 21 April 2024
If $\frac{dy}{dx} = 2e^xy^3$, $y(0)= \frac{1}{2}$ then what is $4y^2(2-e^x)$ equal to?
NDA Mathematics 3 September 2023
What is the directrix of the parabola ?
NDA Mathematics 3 September 2023
What is the length of latus rectum of the parabola?
NDA Mathematics 3 September 2023
What are the order and the degree respectively of the differential equation $\rm x^2\left(\frac{d^3 y}{d x^3}\right)^2+\left(\frac{d y}{d x}...
NDA Mathematics 3 September 2023
What is the differential equation of all parabolas of the type y2 = 4a (x - b)?...
NDA Mathematics 16 April 2023
What is the order of the differential equation ?
NDA Mathematics 16 April 2023
What is the degree of the differential equation ?
NDA Mathematics 16 April 2023
A solution of the differential equation
$\left(\frac{d y}{d x}\right)^2-x \frac{d y}{d x}=0 $ is
NDA Mathematics 4 September 2022
Consider the following statements:
1. The degree of the differential equation $\frac{\text{dy}}{\text{dx}} + \cos \left(\frac{\text{dy}}{\text{d...
NDA Mathematics 4 September 2022
What is the differential equation of the family of parabolas having a vertex at origin and axis along positive y-axis?
NDA Mathematics 4 September 2022
What is the solution of the differential equation (dy − dx) + cos x(dy + dx) = 0 ?
NDA Mathematics 10 April 2022
What is the degree of the differential equation? $1+\left(\frac{dy}{dx}\right)^2 =\left(\frac{d^2y}{dx^2}\right)^{\frac{4}{3}}?$...
NDA Mathematics 10 April 2022
If $\frac{dy}{dx} = (\ln 5)y $ with y(0) = ln 5, then what is y(1) equal to?
NDA Mathematics 10 April 2022
What does the equation $x \frac{dy}{dx}-2y= 0$ represent ?