9to5Science - Get Answers to Scientist's Questions & Ask an Expert

Triangle's inequality of a norm is equivalent to the convexity of the closed unit ball.

August 1st, 2022

functional-analysis normed-spaces

Why eigenfunction cannot be identically zero in this question?

August 1st, 2022

ordinary-differential-equations partial-differential-equations

Prove that $\sqrt{s(s-a)(s-b)(s-c)}=A$

August 1st, 2022

geometry proof-writing triangles radicals area

maclaurin series of $f(x)=xe^{-x}$

November 28th, 2020

power-series taylor-expansion

Axiom of Choice iff Every set has a choice function

August 1st, 2022

set-theory axiom-of-choice

Numerical integration with infinity as upper bound

October 23rd, 2020

integration numerical-methods

conditions that the chord subtend a right angle

January 5th, 2020

circles tangent-line

Integral of spherical harmonics over sphere

October 20th, 2021

integration spherical-harmonics

Finding sum of convergent alternating series

November 7th, 2020

calculus sequences-and-series

Formula to calculate the coordinates of some points on a circle

February 19th, 2020

circles coordinate-systems

Proof of a result about Riemann Stieltjes integral and functions of bounded variation

November 28th, 2020

real-analysis bounded-variation

Finding equation for line passing through point A and parallel to two planes

March 16th, 2020

linear-algebra plane-geometry

Prove; Powerset Cardinality is $2^n$ - I have trouble understanding the prove.

August 1st, 2022

elementary-set-theory induction

How to solve exponents using log?

January 4th, 2020

logarithms exponential-function

How to show that the limit of cosh(z) as z goes to infinity does not exist?

July 30th, 2020

complex-analysis limits definition infinity

what is the difference between a cycle and a circuit in graph theory?

November 15th, 2020

graph-theory

Finding the Fourier series of $\delta(x)$ on $ (-\pi, \pi)$ (dirac delta)

December 1st, 2020

definite-integrals fourier-series dirac-delta

Necessary condition to a curve lying on a sphere

November 13th, 2020

differential-geometry curves

non homogeneous exponential distribution

March 19th, 2020

probability exponential-distribution

What is the sum of the squares of the roots of the equation $x^2 − 7[x] + 5 = 0?$ (Here $[x]$ denotes the greatest integer less than or equal to $x$)

August 1st, 2022

quadratics

Why Null Set is zero Dimensional

August 1st, 2022

linear-algebra vector-spaces

Partial differential equation switching to polar coordinates

August 1st, 2022

calculus partial-differential-equations

What is the intuitive reason that partial differential equations are hard to solve?

October 21st, 2020

ordinary-differential-equations partial-derivative

Is the Kernel a Maximal Ideal?

December 23rd, 2020

abstract-algebra ring-theory field-theory

What's the significance of conditional and absolute convergence?

September 5th, 2020

sequences-and-series absolute-convergence conditional-convergence

In a Measure Space show $ \mu(A) + \mu(B)= \mu(A \cup B)+\mu(A \cap B) $

December 18th, 2020

measure-theory

Estimating the standard deviation by simply looking at a histogram

October 6th, 2020

normal-distribution estimation standard-deviation

Is 3-CNF to 2-CNF generally possible (or in particular)?

January 25th, 2020

logic propositional-calculus conjunctive-normal-form

What is the difference between Euclid's division lemma and Euclid's division algorithm?

December 22nd, 2021

elementary-number-theory gcd-and-lcm

Probability Involving Senior High School Graduating Class

September 21st, 2020

probability

Unlock your
future.

Triangle's inequality of a norm is equivalent to the convexity of the closed unit ball.

Why eigenfunction cannot be identically zero in this question?

Prove that $\sqrt{s(s-a)(s-b)(s-c)}=A$

maclaurin series of $f(x)=xe^{-x}$

Axiom of Choice iff Every set has a choice function

Numerical integration with infinity as upper bound

conditions that the chord subtend a right angle

Integral of spherical harmonics over sphere

Finding sum of convergent alternating series

Formula to calculate the coordinates of some points on a circle

Proof of a result about Riemann Stieltjes integral and functions of bounded variation

Finding equation for line passing through point A and parallel to two planes

Prove; Powerset Cardinality is $2^n$ - I have trouble understanding the prove.

How to solve exponents using log?

How to show that the limit of cosh(z) as z goes to infinity does not exist?

what is the difference between a cycle and a circuit in graph theory?

Finding the Fourier series of $\delta(x)$ on $ (-\pi, \pi)$ (dirac delta)

Necessary condition to a curve lying on a sphere

non homogeneous exponential distribution

What is the sum of the squares of the roots of the equation $x^2 − 7[x] + 5 = 0?$ (Here $[x]$ denotes the greatest integer less than or equal to $x$)

Why Null Set is zero Dimensional

Partial differential equation switching to polar coordinates

What is the intuitive reason that partial differential equations are hard to solve?

Is the Kernel a Maximal Ideal?

What's the significance of conditional and absolute convergence?

In a Measure Space show $ \mu(A) + \mu(B)= \mu(A \cup B)+\mu(A \cap B) $

Estimating the standard deviation by simply looking at a histogram

Is 3-CNF to 2-CNF generally possible (or in particular)?

What is the difference between Euclid's division lemma and Euclid's division algorithm?

Probability Involving Senior High School Graduating Class

Recents

Popular Tags

Unlock your future.|

Recents

Popular Tags

Unlock your
future.