Все публикации

0:01:01

limit as x goes to infinity #maths #education #olympiafld#stanford math#mit math dept#harvard math

0:07:31

limit as x goes to infinity of 1+sin(x)-x . Ap Calculus review question.

0:06:45

Praxis Math 5161 question . Find the domain of arcsin(1/(2-x))

0:05:03

Find f defined everywhere that satisfies the functional equation.: f(xy)=xf(x)+yf(y)

0:01:01

Functional equation #how to solve olympiad math problem #maths #rolles theorem #arithmetic #ap calcu

0:05:59

condition on z to have z+i×zbar is pure imaginary . complex numbers equations

0:05:58

z+zbar=norm of z in C the set of complex numbers. Find the image of the solution as well.

0:07:03

a and b positive we have (a+b)(1/a+1/b) greater or equal than 4. Algebra and precalculus . Ap cal

0:01:01

xln(x) limit is 0 as x goes to 0 from the right using epsilon delta #calculus #education # ap calcul

0:08:10

Solving a radical equation

0:01:01

use epsilon delta to prove the limit #maths #rolles theorem #arithmetic #maths #calculus #olympiad

0:01:01

Find a formula for the distance #maths #olympiad question# rolles theorem# ap calculus # ap statisti

0:06:16

|a|=|b| if and only if a=b or a=-b

0:01:01

The absolute value #maths #how to solve olympiad mathproblem #education #redpenblackpen #mathlogic

0:05:23

The sum of any positive number and its inverse is always bigger or equal than 2. Elementary proof

0:09:22

(1+x)^n greater than or equal.to 1+nx , x positive real number. n positive integer

0:04:29

Solve z^2-iz-i×sqrt(3)=0 in the set of complex numbers.

0:06:35

The principle of mathematical induction applied to a matrix .

0:01:01

The principle of mathematical.induction #maths #howtosolveolympiadproblem #education #rollestheorem

0:07:12

The exponential form of 1/(1+itan(alpha))

0:05:16

(1+i)^n+(1-i)^n is a real number

0:01:01

How to prove that a complex number is real #maths #mathisfun #olympiad#complex analysis#algebra in C

0:05:02

Find the exponential form of i+sqrt(3)

0:01:01

polar form of a complex number #maths #rollestheorem #education #olympiad #magicalmaths #mathlogic