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How can I find the equation for a reverse exponential curve based on three known points?
August 1st, 2022
functions
logarithms
exponential-function
graphing-functions
Curve for which Part of Tangent bisected at point of Tangency
August 1st, 2022
calculus
ordinary-differential-equations
tangent-line
Proving that the indicator function is a random variable?
August 1st, 2022
probability
probability-theory
measure-theory
Prove that $\mathbb{R}_l$ is not a second countable. ($\mathbb{R}_l$ are the real ones with the topology of the lower limit)
November 27th, 2020
general-topology
analysis
second-countable
How do matrix solutions represent an intersection of lines?
September 5th, 2022
linear-algebra
matrices
How to prove that this simple graph does not exist?
April 25th, 2020
graph-theory
self-learning
The volume of a spherical balloon grows at a rate of $100\ cm^3/s$
July 31st, 2020
calculus
derivatives
How to find the determinant of a 5x5 matrix
August 1st, 2022
linear-algebra
determinant
Showing killing form is Ad-invariant
August 30th, 2020
lie-algebras
$\mathbb{Z}[i] / (2+3i)$ has 13 elements
May 13th, 2020
abstract-algebra
proof-verification
ring-theory
ideals
euclidean-domain
Simplifying Stacked Exponents
December 11th, 2020
algebra-precalculus
For the density function $f_\theta (x) = \theta x^{\theta-1}$, how can we find the product distribution, $\prod_{i=1}^n X_i$?
August 17th, 2022
probability
probability-distributions
How to estimate the range of a normal distribution when the mean and standard deviation are given
April 30th, 2021
normal-distribution
standard-deviation
Every bounded sequence in $\mathbb{R}^n$ possesses a convergent subsequence
August 1st, 2022
sequences-and-series
proof-explanation
Limits of Transcendental Functions
September 9th, 2020
calculus
limits
Prove that $f(z) = |z|$ is not analytic.
February 25th, 2020
complex-analysis
analytic-functions
If L(P, f) = U(P, f), prove that f is a constant function on [a, b]
November 2nd, 2020
real-analysis
integration
riemann-sum
partitions-for-integration
The Jacobson radical of an Ideal
October 24th, 2020
abstract-algebra
reference-request
ring-theory
noncommutative-algebra
Proving $\lim \sup (c a_n) = c \cdot \lim \sup a_n$
January 29th, 2020
real-analysis
sequences-and-series
limsup-and-liminf
Proving orthogonality of Legendre polynomials
June 17th, 2020
calculus
integration
legendre-polynomials
Is there a quick parity test for integers expressed with odd radicies?
March 28th, 2020
elementary-number-theory
divisibility
How does this proof that the square of an integer, not divisible by 5, leaves a remainder of 1 or 4 when divided by 5 work?
August 1st, 2022
elementary-number-theory
proof-writing
modular-arithmetic
A continuous real valued function that maps open sets to open sets are must be monotone
December 30th, 2020
real-analysis
functions
continuity
Vertices of Cube coloured with black or white colour
December 25th, 2020
permutations
combinations
What comes after seconds?
August 1st, 2022
trigonometry
math-history
Practicing Seifert van Kampen
May 29th, 2020
algebraic-topology
fundamental-groups
How to prove that the matrix $A^k$ approaches $0$ as $k$ approaches infinity
August 1st, 2022
linear-algebra
matrices
eigenvalues-eigenvectors
Linearity of Expectation = Hat-Check Problem
March 12th, 2020
expectation
word-problem
Invertible elements of a quotient ring of $ℝ[x]$.
February 26th, 2020
abstract-algebra
polynomials
ring-theory
A positive integer (in decimal notation) is divisible by 11 $ \iff $ ...
November 8th, 2020
modular-arithmetic
divisibility
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Recents
What age is too old for research advisor/professor?
How much solvent do you add for a 1:20 dilution, and why is it called 1 to 20?
How many weeks of holidays does a Ph.D. student in Germany have the right to take?
Why higher the binding energy per nucleon, more stable the nucleus is.?
What happen if the reviewer reject, but the editor give major revision?
Coordination number of 3D close packing
Why do universities check for plagiarism in student assignments with online content?
pKa = pH for strong acid — strong base?
Anonymous sites used to attack researchers. What to do about it?
Why does [Ni(gly)2] show optical isomerism despite having no chiral carbon?
I downoaded articles from libgen (didn't know was illegal) and it seems that advisor used them to publish his work
How do superwomen find time?
What is the chemical formula of ghee?
Masters in mathematics after bachelors in mechanical engineering
Advantages or disadvantages of submitting to the new APS open access PRResearch journal?
Why energy is released when an electron is added to a neutral atom?
Time constant of $RC$ circuit with more than one capacitor
Why is CH4 Nonpolar but CH2Cl2 is polar?
Which of the compounds has the highest percentage of enol?
Article waiting for AE assignment for too long?
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