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How do Fable 3 business partnerships work?
I was exploring the random co-op feature and found a player that I got along with enough to start a business partnership. My first actions were to buy the...
Apr 23, 2026
Archive: News
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Questions tagged [riemann-sum]
Q&A for people studying math at any level and professionals in related fields
Apr 22, 2026
news
How to solve $\log_2 (x) = 1000000$ for $x$?
So, I have the equaton $\log_2 x = 1000000$ How do I isolate and solve for x? What is the inverse of a logarithm?
Apr 22, 2026
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Convexity, Hessian matrix, and positive semidefinite matrix
I would like to ask whether my understanding of convexity, Hessian matrix, and positive semidefinite matrix is correct. For a twice differentiable functio...
Apr 22, 2026
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Find a symmetric point on a line
I'm given a point $A (2; -6; 5)$, I need to find a symmetric point of A in regards of the straight line: $$ 2x+y+9z+5=0 $$ $$ x-3y+5z-4=0 $$ I began ...
Apr 22, 2026
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Which directed graphs correspond to "algebraic" diagrams?
Any diagram for which the question of commutativity make sence is a directed graph, but not any directed graph make the question meaningful. $\require{AMS...
Apr 22, 2026
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Proof of the Laplace transform of the $n$th derivative
I'm having trouble formulating a proof of the following theorem: Let $f$ be a real-valued function having a continuous $(n - 1)$st derivative $f^{(n ...
Apr 22, 2026
news
Proving the formula for finding the determinant of a square matrix.
I have read the proof for finding the determinant of a $2 \times 2$ matrix. It makes sense, since for a matrix \begin{pmatrix} a & b \\ c & d \\ \...
Apr 22, 2026
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How does knowing a function as even or odd help in integration ??
So, I am learning Fourier Series and it involves integration. I am not too good at integration. Now, the resource I use is videos by Dr. Chris Tisdell. In...
Apr 22, 2026
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How would you find the roots of $x^3-3x-1 = 0$
I'm not too sure how to tackle this problem. Supposedly, the roots of the equation are $2\cos\left(\frac {\pi}{9}\right),-2\cos\left(\frac {2\pi}{9}\...
Apr 22, 2026
