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H Huang's user avatar
H Huang's user avatar
H Huang's user avatar
H Huang
  • Member for 5 years, 6 months
  • Last seen more than a month ago
3 votes

What to teach in a 20 minutes class about affine functions to middle school students?

3 votes

Reversing formulas containing exponents

2 votes
Accepted

Why does taking floored root of a natural number x give me all natural numbers up to x which are perfect squares,cubes,fifths etc.

2 votes

How do I calculate fixed amount of monthly payments to pay off a debt with interest?

2 votes
Accepted

Is $\infty$ undefined?

2 votes

Logarithms with variables

2 votes

In the proof of irrationality of $\sqrt{2}$ or $\sqrt{7}$, why do the numerator and denominator of a rational number have to be in their lowest term?

2 votes

Are there any notebooks of famous mathematicians, through which we can understand their thinking and learning process?

2 votes
Accepted

Solving $e^{ix}=i$

1 vote
Accepted

Can this be a quadrilateral?

1 vote

Understanding Expected Value and Standard Deviation...

1 vote
Accepted

Reverse engineering algebra question - why is it not working?

1 vote

Does $180i = \pi(i)$ through euler's identity by $e^{90i} = 0 + i$

1 vote
Accepted

How do the roots of unity relate to De Moivre's Theorem?

1 vote

Antiderivative of $\sin{x}$ when $x$ is given in degrees

1 vote

Can you add an extra $e^x$ when integrating?

0 votes

For $f(x): y=\sqrt{x-1}$, is it possible for the range to include negative values?

0 votes

What is the shortcut for multiplying two numbers together?

0 votes

Self-study High School Math Textbooks?

0 votes

Proving $\frac{\sin 2x - \cos x}{4\sin^2x -1} = \frac{\sin^2x+\cos x+\cos^2x}{2\sin x +1} $

0 votes

One to one functions and inverse

0 votes
Accepted

Is it possible to calculate Monte Carlo without the unit of square?

0 votes

Which tricks do people use to introduce rigor into identities like $(x^2)'=2x$?

0 votes

Proving $\lim_{x\to-\infty}x^{-k} = 0$

0 votes

Verification of composite function

0 votes

How can $\frac{4}{3} \times 3=4$ if $ \frac{4}{3}$ is $1.3$?

0 votes

Without $f$ being specified, can we obtain $\frac{f(x+h)-f(x)}{h} = \frac{\frac{1}{x+h}-\frac{1}{x}}{h}$?

0 votes

is n-1 th derivative continuous in closed interval if n th derivative exists in open interval

-1 votes

Prove that a polynomial diverges to infinity.