User Aliasa Zarowny Pseudonymia - Mathematics Stack Exchange

Aliasa Zarowny Pseudonymia

Member for 6 years
Last seen more than 5 years ago

Sweden, Maine, USA

21 Questions

Score Activity Newest Views

5 votes

3 answers

4k views

Mean value thorem - Showing $\sqrt{1+x} < 1+\frac{x}{2}$ for $x>0$

asked Nov 30, 2017 at 0:59

4 votes

4 answers

2k views

Newton's method with no real roots

asked Jan 13, 2018 at 22:17

2 votes

2 answers

147 views

If $z=\tan(\frac{x}{2})$, show that $\sin(x)=\frac{2z}{1+z^2}$

asked Dec 7, 2017 at 19:53

2 votes

2 answers

2k views

Prove that if two vectors are orthogonal to another vector, then they are scalar multiples of each other

asked Feb 10, 2018 at 2:12

2 votes

3 answers

1k views

MVT - Showing $(1+x)^r > 1+rx$

asked Dec 1, 2017 at 0:12

2 votes

2 answers

1k views

Finding the interval for which $f(x) =x+2\sin(x)$ is increasing

asked Dec 2, 2017 at 23:39

2 votes

3 answers

79 views

Showing a that the derivative exists on every $x$ but is not continuous at $x=0$

asked Dec 3, 2017 at 21:15

2 votes

3 answers

231 views

Does chain rule enable you yo calculat derivative of $|x^2|$ at x = 0

asked Nov 23, 2017 at 0:56

2 votes

2 answers

683 views

Proving $y=\tan(x)$ is of the form $P_{n+1}(\tan(x))$

asked Nov 26, 2017 at 22:00

1 vote

5 answers

6k views

Writing a general formula for nth derivative of $\cos(ax)$

asked Nov 25, 2017 at 2:13

1 vote

1 answer

57 views

using the product rule for $k\cdot\sec\left(kx\right)\tan\left(kx\right)$

asked Nov 26, 2017 at 3:42

1 vote

2 answers

56 views

l'hospital rule suppose $lim_{x->a+} f(x) = lim_{x->a+} g(x) =0$ [question]

asked Jan 14, 2018 at 20:24

0 votes

3 answers

59 views

Extreme values $f(x)=(x-2)^{\frac{1}{3}}$

asked Jan 16, 2018 at 0:58

0 votes

0 answers

33 views

identifying concavitie(s) and inflection(s) for $f(x) = (x-1)^{1/3} + (x+1)^{1/3}$

asked Jan 17, 2018 at 3:27

0 votes

1 answer

38 views

Finding solution for a linear system(see below)

asked Jan 27, 2018 at 0:08

0 votes

2 answers

182 views

Determining if all polynomials of the form $a_{0}+a_{1}x$ is a subspace of $P_{3}$

asked Feb 14, 2018 at 3:39

0 votes

1 answer

91 views

clarifying a thing about the inverse function $y=x^3$

asked Dec 9, 2017 at 21:31

0 votes

3 answers

517 views

the implicit derivative of $x+2y+1=\frac{y^2}{x-1}$ at the point $(2,-1)$

asked Dec 6, 2017 at 2:04

0 votes

3 answers

450 views

Showing $(1+x)^r<(1+rx)$ (MVT) [duplicate]

asked Dec 1, 2017 at 18:55

-1 votes

3 answers

106 views

MVT - Showing $\sin x < x$ for all $x>0$

asked Nov 29, 2017 at 16:11

-1 votes

3 answers

3k views

Hyperbolic differentiation of $\sinh^{-1}(x/a)$ [closed]

asked Jan 11, 2018 at 0:28