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Sep
27
answered Multivariable Partial Derivative
Sep
24
asked What is it called when a function is not continuous but still can have a derivative?
Sep
23
answered What is the relevance of the supremum in this question?
Sep
23
asked How do you explain the appearance of a sine in the integral for calculating the surface area of a sphere?
Sep
20
answered Showing vectors span a vector space by definition
Sep
18
answered Basic set questions
Sep
8
answered Simplifying expression with absolute value and unknown
Aug
22
answered In eigenvector calculations, why does $A-\lambda I$ need to be singular?
Aug
21
answered Graph $f(x)=\ln x+2$
Aug
10
asked Subgroup criterion.
Aug
6
answered Projectile Motion
Jul
29
answered Finding $a$ from $\lim\limits_{x\rightarrow0}(1+a\sin x)^{\csc x} =4$
Jul
25
asked Having trouble understanding proof of a theorem involving limits of functions and sequences
Jul
15
asked Motivation for definition of logarithm in Feynman's Lectures on Physics
Jul
14
answered Problems regarding exponents
Jun
30
asked Does this weird sequence have a limit?
Jun
23
asked If a function has a finite limit at infinity, does that imply its derivative goes to zero?
Jun
4
asked How do we know that $\exp(x)$ agrees with raising a number to a rational power?
Jun
1
asked Proving that $\lim\limits_{x \to 0}\frac{e^x-1}{x} = 1$
May
26
answered How to show $|\sin(x+iy)|^2=\sin^2x+\sinh^2y$