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Jan 1, 2026 · Consider a convex triangular "prism" in $\\mathbb{R}^3$ circumscribed about a sphere. The three lateral faces are planes tangent to the sphere whose outward normals lie in the …

Dec 30, 2025 · I'm using the enumext package to create multiple-choice questions. In my case, the answer labels are boxed letters, produced using the wrap-label key. The issue is that the boxed …

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Dec 21, 2025 · How do I choose the anchor so that the line starts exactly at the edge at a path-source to[american current source]? \\documentclass[margin=5pt, multi=circuitikz]{standalone} …

Jan 4, 2026 · In light of this answer, it is worth noting that the initial member of the sequence can be any prime number.

Dec 17, 2025 · Maybe to help emphasize @peek-a-boo's comment: the limit definition of the derivative can hold at a point - withouth a formula that holds 'elsewhere' and that you could want to invoke …

Dec 30, 2025 · To calculate the arc length and the area in polar coordinates, I know that the shape is almost a sector when $\\Delta\\theta$ approaches to zero. If we apply the same method to calculate …

Jun 25, 2014 · I have started seeing the "∈" symbol in math. What exactly does it mean? I have tried googling it but google takes the symbol out of the search.