🧮 algebra
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Partial Fractions Series
1. **State the problem:**
We are given the function $$f(x) = \frac{3x^2 + 16}{(1 - 3x)(2 + x)^2}$$ and the partial fraction decomposition form:
Absolute Value Sum
1. **State the problem:** Given that $3^x = 16$, find the value of the sum $|x-2| + |x-3|$.
2. **Find $x$:** We start by solving for $x$ in the equation $3^x = 16$.
Function Threshold
1. The problem is to analyze the function $f(x) = x^3 - 12x^2 + 36x$ and determine for which integer values of $x$ from 0 to 6 the function value is at least 5.
2. The function is
Coefficient Tangente
1. Énoncé du problème : Trouver le coefficient directeur de la tangente à la courbe de la fonction $f(x) = \frac{x^2}{x+1}$ au point d'abscisse $x=1$.
2. Rappel de la formule : Le
Linear Equation
1. **Problem Statement:** Solve the linear equation $3x + 5 = 20$ for $x$.
2. **Formula and Rules:** A linear equation in one variable has the form $ax + b = c$, where $a$, $b$, an
Bounds And Absolute
1. **Problem statement:** Given the inequalities $4 < y - x < 9$ and $10 < x^2 + y^2 < 45$, and the functions $B = \frac{x+1}{2}$ and $A = \sqrt{\frac{x^2 + y^2}{y - x}}$, we need
Evaluate Expression
1. **State the problem:** We need to evaluate the expression $x - \sqrt{3x}$ given that $x - \sqrt{\frac{12}{x}} = 5$.
2. **Analyze the given equation:**
Arithmetic Progression
1. **Stating the problem:** We need to determine which of the given sequences is not an arithmetic progression (A.P.).
2. **Recall the definition of A.P.:** A sequence is an arithm
Arithmetic Progression
1. **Problem statement:** Find the value of $x$ such that $2x$, $x+10$, and $3x+2$ are three consecutive terms of an arithmetic progression (A.P.).
2. **Formula and rule:** In an A
Binomial Term
1. **Problem statement:** We want to find the integer $a$ in the fourth term of the binomial expansion of $(1.02)^6$, given the first term is 1 and the fourth term is $(0.000008)a$
Cube Root Product
1. **State the problem:** Simplify the expression $$\sqrt[3]{8x} \cdot \sqrt[3]{8x^2}$$.
2. **Recall the property of cube roots:** For any real numbers $a$ and $b$, $$\sqrt[3]{a} \
Inverse Proportions
1. The problem involves inverse proportionality, where two variables multiply to a constant. For example, if $g$ and $h$ are inversely proportional, then $g = \frac{k}{h}$ for some
Profit Questions
1. **Stating the problem:** You get 20 cents for each correct answer and pay 10 cents for each wrong answer. After 30 questions, your profit is 1.80 dollars.
2. **Define variables:
Gp Term Position
1. **State the problem:** We are given a geometric progression (GP) with the first term $a=3$ and common ratio $r=3$. We need to find which term of this series is equal to 243.
2.
Quadratic Trendline
1. **Stating the problem:** We are given a set of points $(x, y)$ and asked to find the equation of the trendline that best fits the data.
2. **Analyzing the data:** The $x$ values
Water Tank
1. **Stating the problem:**
We have a water tank with total capacity $y$ gallons. Initially, it contains $c$ gallons of water. Water flows into the tank at a rate of $m$ gallons pe
Singular Matrix
1. **Problem:** Given that the matrix below is singular, find the possible values of $x$ for the matrix $$\begin{bmatrix} x & 1 \\ 2 & 2 \end{bmatrix}$$
2. **Formula and rule:** A
Exponential Fit
1. **Stating the problem:** We are given a set of data points $(x, y)$ and want to find an exponential model of the form $$y = a \cdot e^{bx}$$ that best fits the data.
2. **Formul
Exponential Trendline
1. The problem is to find the equation of the exponential trendline for the given data points using Excel.
2. The general form of an exponential function is $$y = a e^{bx}$$ where
Cubic New Roots
1. **Problem statement:** Given a cubic equation $$x^3 + ax^2 + bx + c = 0$$ with roots $$\alpha, \beta, \gamma \in \mathbb{C}$$ such that $$\alpha + \beta, \beta + \gamma, \gamma
Find Gx
1. **Stating the problem:** We are given two functions: $f(x) = x^2 + 2x + 5$ and $f(g(x)) = x^2 + 4$. We need to find the function $g(x)$.\n\n2. **Understanding the problem:** The