∫ calculus
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Integral Divergence
1. **State the problem:** Determine whether the integral $$\int_0^1 \frac{x}{x-1} \, dx$$ converges or diverges.
2. **Analyze the integrand:** The integrand is $$f(x) = \frac{x}{x-
Implicit Normal Concavity
1. **State the problem:**
Derive the equation $x^2 + 3x + 4 = 2y^2$ implicitly to find $\frac{dy}{dx}$ and then find the equation of the normal line at the point $(1, 2)$. Also, co
Derivative Cosine
1. **State the problem**: We want to show using the first principle of differentiation that $$\frac{d}{dx}(\cos x) = -\sin x.$$\n\n2. **Recall the definition of derivative from fir
Integration Examples
1. Find $\int x^2 \, dx$.
2. Evaluate $\int e^x \, dx$.
Derivative First Principle
1. **State the problem:** We want to find the derivative of the function $f(x) = \frac{1}{x-2}$ using the first principle (definition of derivative).
2. **Recall the definition of
Integration Basics
1. Integration is a fundamental concept in calculus that involves finding the integral of a function.
2. The integral represents the area under the curve of a function over an inte
Derivative First Principle
1. The problem is to show the derivative of a function $f(x)$ using first principles, which means using the definition of the derivative as a limit.
2. By definition, the derivativ
Limit Exponential
1. **Stating the problem:** Evaluate the limit $$\lim_{x\to \infty} \left(1 + \frac{5}{3x}\right)^{\frac{x}{2}}.$$\n\n2. **Rewrite the expression:** Notice the limit has the form s
Limit Infinity
1. We are asked to evaluate the limit $\lim_{x \to \infty} \left(1 + \frac{5}{3x}\right)$.\n\n2. As $x$ approaches infinity, the term $\frac{5}{3x}$ approaches $0$ because the deno
Limits Calculation
1. Problem a: Find $$\lim_{n \to \infty} \sqrt[n]{5n + 3}.$$
We rewrite as $$ (5n+3)^{1/n} = e^{\frac{1}{n} \ln(5n+3)}.$$
Limit N Sqrt
1. Stating the problem: Evaluate the limit $\lim_{n \to \infty} n \sqrt{5n + 3}$.
2. Rewrite the expression inside the limit:
Derivative Linear
1. We are asked to find the derivative $f'(x)$ of the function $f(x) = 4x + 7$ using the definition of the derivative.
2. The definition of the derivative is:
Derivative Linear
1. We need to find the derivative $f'(x)$ of the function $f(x) = 4x + 7$ using the definition of the derivative.
2. The definition of the derivative at a point $x$ is given by:
Limit Expression
1. **State the problem:**
We want to find the limit $$\lim_{x \to \infty} \frac{5^{x+1} + 7^{x+1}}{5^x - 7^x}$$ without using differentiation or L'Hopital's Rule.
Function Analysis
1. **State the problem:** We are given three functions:
$$f_1(x) = 2x^{6} \sin(x), \quad f_2(x) = x^{5} \cdot 5^{x}, \quad f_3(x) = x^{5} \ln(x) \cos(x)$$
Parabola Shaded Area
1. **State the problem:** We have the parabola given by $$y = (9 - x)(x - 3)$$ and the horizontal line $$y = k - 3$$ where $$k > 3$$. We need to find the area of the shaded region
Integral Area
1. **Problem Statement:**
(i) Find the integral $\int \sqrt{4 + x} \, dx$ without a calculator.
Limit Approach
1. State the problem: Find the limit $$\lim_{x \to 7} (2x + 2)$$.
2. Since the function $2x + 2$ is a polynomial (which is continuous everywhere), the limit as $x$ approaches 7 is
Differential Equation
1. The problem gives a differential equation: $$\frac{d w}{d x} = -kW^{3} T^{-\frac{1}{2}}.$$\n\n2. We want to solve this differential equation for $w$ as a function of $x$. Howeve
Differentiate Hx
1. Stated Problem: Differentiate the function $$H(x) = 3 \sec x (1 - \tan x)$$.
2. Use the product rule for differentiation: If $$H(x) = f(x)g(x)$$, then $$H'(x) = f'(x)g(x) + f(x)
Limits From Graph
1. Stating the problem: We are asked to find two limits based on the description of the graph of a function $f(x)$.
2. For part (a), find $\lim_{x \to 0} f(x)$.