📘 differential equations

1. **State the problem:** We are given the differential equation $y'(x) = -5y(x)$ and need to find the general solution. 2. **Formula and rules:** This is a first-order linear diff

1. **Problem:** Solve the differential equation $$2x - 3 - 3t = 5 e^{\frac{x}{y}}$$. 2. **Step 1: Understand the equation**

1. **State the problem:** Solve the differential equation $$c^2 (y')^2 = y^2 (y^{2n} - c^2)$$ with initial conditions $$y(a) = A$$ and $$y'(0) = 0$$. 2. **Rewrite the equation:** W

1. **Problem Statement:** We are given a differential equation $y' = f(y)$ and a graph of $y = f(y)$. 2. **Goal:** Sketch a representative family of solutions for the differential

1. **State the problem:** Solve the differential equation $$xy' + y = x^4 y^2$$ with the initial condition $$y(1) = 1$$. 2. **Rewrite the equation:** Divide both sides by $$x$$ (as

1. **Problem statement:** Given the function $y = e^{-x}(\cos 2x + \sin 2x)$, find the values of $p$ and $q$ such that the differential equation $$\frac{d^2y}{dx^2} + p \frac{dy}{d

1. **State the problem:** Solve the differential equation $$\frac{d^2y}{dx^2} + y = e^x$$. 2. **Identify the type of equation:** This is a non-homogeneous linear second-order diffe

1. **State the problem:** Solve the differential equation $$\frac{dy}{dx} = y(xy^3 - 1)$$ using the substitution method. 2. **Rewrite the equation:** The equation is $$\frac{dy}{dx

1. **State the problem:** We are given the differential equation $$\frac{dy}{dx} = y(xy^3 - 1)$$ and asked to analyze or solve it. 2. **Rewrite the equation:** The equation can be

1. **State the problem:** Solve the differential equation $$\frac{dy}{dx} - y = e^x y^2$$ by substitution. 2. **Rewrite the equation:** The equation is nonlinear due to the $$y^2$$

1. The problem is to solve the differential equation $$\frac{dy}{dx} - y = e^x y^2$$. 2. This is a nonlinear first-order differential equation. We can try to solve it by substituti

1. **Stating the problem:** Solve the differential equation $$\frac{dy}{dx} - y = e^x y^2$$. 2. **Identify the type of equation:** This is a nonlinear first-order differential equa

1. The problem is to solve the differential equation $$\frac{dy}{dx} = e^x y^2$$. 2. This is a separable differential equation, which means we can write it as $$\frac{dy}{y^2} = e^

1. **State the problem:** Solve the system of differential equations given by $$\mathbf{X}' = A\mathbf{X} + \mathbf{B}$$ where $$A = \begin{pmatrix} 2 & 1 \\ -4 & 2 \end{pmatrix},

1. **State the problem:** Solve the system of differential equations given by $$X' = AX + B$$ where $$A = \begin{bmatrix} 2 & 1 \\ -4 & 2 \end{bmatrix}$$ and $$B$$ is a constant ve

1. **Problem Statement:** We are given a differential equation of the form $$\frac{dP}{dt} = f(P)$$ with an initial value $$P(t_0) = P_0$$ and a slope field graph. The graph shows

1. The problem asks to identify the type of differential equation given by $y' = \varphi(t)$. 2. This equation shows that the derivative of $y$ depends only on the variable $t$.

1. **State the problem:** Solve the system of differential equations given by $\mathbf{X}' = A\mathbf{X}$ where $$A = \begin{bmatrix} 1 & -2 \\ 2 & -3 \end{bmatrix}.$$

1. **State the problem:** Solve the initial value problem $$y''(t) + 4y(t) = t + 4$$ with initial conditions $$y(0) = 1$$ and $$y'(0) = 0$$ using the Laplace transform method. 2. *

1. **State the problem:** The question requires finding the general solution to the system of differential equations $\vec{y}' = A \vec{y}$ where $A$ is a given matrix. 2. **What i

1. **State the problem:** We want to find the general solution of the system of differential equations $$\vec{y}' = A \vec{y}$$ where $$A = \begin{bmatrix} -1 & 1 & 0 \\ 0 & -1 & 4