∫ calculus

1. The problem states that $y = vw$ and asks to identify which given expression for $y_n$ (where subscripts denote derivatives) is false. 2. We interpret $y = vw$ as a product of t

1. The problem gives $x=\cos 4\theta$ and $y=b\sin 4\theta$ and asks to find $\frac{dy}{dx}$ and examine the options. 2. Differentiate $x$ and $y$ with respect to $\theta$:

1. Given the problem: Calculate $w$ for $w = 2ye^x - \ln z$, with $x = \ln(t^2 + 1)$, $y = \tan^{-1} t$, $z = e^t$, and $t=1$. 2. Substitute $t=1$ into $x$: $$x = \ln(1^2 + 1) = \l

1. Let's start by stating the definition of the chain rule in calculus.\n\n2. The chain rule is used to differentiate a composite function. If you have a function $y = f(g(x))$, wh

1. **Problem 1: Determine continuity of** $$f(x) = \begin{cases} \frac{x^2 - 9}{x - 3} & x \neq 3 \\ 7 & x = 3 \end{cases}$$ at $$x=3$$.

1. **Problem 1: Continuity at $x=3$ for the function** $$f(x) = \begin{cases} \frac{x^2 - 9}{x - 3}, & x \neq 3 \\ 7, & x = 3 \end{cases}$$

1. We need to determine which point corresponds to a local maximum for a given function or graph. 2. A local maximum occurs at a point where the function value is higher than all n

1. Let's state the problem: You are checking for local maxima and minima of a function and you have found that one critical value's second derivative is zero and the other's second

1. **Problem:** Evaluate the limit $$\lim_{\Delta x \to 0} \frac{\Delta x}{\Delta x}$$. Since for all $$\Delta x \neq 0$$, $$\frac{\Delta x}{\Delta x} = 1$$, the limit as $$\Delta

1. **State the problem:** We want to find the limit as $x$ approaches 4 of the expression $$\frac{6 - \sqrt{x} + 5 \sqrt[3]{x + 4}}{2\sqrt{x} + 5 - 3 \sqrt[3]{x + 4}}.$$\n\n2. **Ev

1. **State the problem:** Find the limit

1. **Statement of the problem:** We need to find the limit as $x$ approaches 4 of the function: $$\frac{6 - \sqrt{x} + 5\sqrt[3]{x} + 4}{2\sqrt{x} + 5 - 3\sqrt[3]{x} + 4}$$

1. **State the problem:** Find the stationary points of the function $$f(x) = \frac{x^5}{5} - \frac{13x^3}{3} + 36x - 20$$

1. The problem is to find the equation of the tangent line to the curve given by \(y = x^5 - x^3 + 2\) at the point where \(x = 1\). 2. First, find the derivative \(\frac{dy}{dx}\)

1. **State the problem:** Find the limit $$\lim_{x \to \infty} \frac{8x}{e^{9x} + 1}$$

1. **Problem statement:** Express the rational function \(\frac{21-x}{(x-5)(x+4)}\) as the sum of its partial fractions of the form \(\frac{A}{x-5} + \frac{B}{x+4}\), and then find

1. The problem asks for the area of the region bounded by the curve $y=-x^2 - x - 2$, the x-axis ($y=0$), and the vertical lines $x=-2$ and $x=2$. 2. First, find where the parabola

1. **Given Problem:** Find the derivative of the vector function $$F(t) = \sin(t)\mathbf{i} + t^4\mathbf{j} - e^{2}\mathbf{k}$$

1. **State the problem:** We need to find the arc length of the curve given by the parametric equations $$x = e^t \sin(t), y = e^t \cos(t), z = 9$$ between $$t=0$$ and $$t=4$$. 2.

1. Problem 2.1: Find the constant $C$ such that $$\int_1^4 k(x)\,dx = f(4) + C$$ given that $k(x) = \frac{df}{dx}$. Step 1. Recognize that $k(x)$ is the derivative of $f(x)$, i.e.

1. The statement $\lim_{x \to b} f(x) = K$ means that as the variable $x$ approaches the value $b$, the function $f(x)$ gets arbitrarily close to the number $K$. This describes the