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Gᴇᴏᴍᴇᴛᴇʀ
  • Member for 11 years, 6 months
  • Last seen more than 7 years ago
13 votes
4 answers
5k views

$ \sqrt{2-\sqrt{2}} $ simplified

7 votes
6 answers
8k views

What is the inverse function of $\ x^2+x$?

6 votes
6 answers
6k views

Function of $ \sqrt{2+\sqrt{2+\sqrt{2+}}}\ldots $

5 votes
1 answer
210 views

Websites for math tests/quizzes [closed]

5 votes
4 answers
52k views

Maximum area of a isosceles triangle in a circle with a radius r

3 votes
1 answer
82 views

Compute surface area about the $x$-axis

3 votes
3 answers
537 views

$\ \sqrt{x+39}-\sqrt{x+7}=4 $

2 votes
3 answers
560 views

Evaluate $\tan\left(2\sin^{-1}\frac{\sqrt{5}}{5}\right)$ without using a calculator

2 votes
1 answer
1k views

Speed of a bicycle wheel

2 votes
6 answers
3k views

Summation equation for $2^{x-1}$

2 votes
2 answers
331 views

$\displaystyle \frac{d}{dx}2^x$ where $x=0$

2 votes
2 answers
141 views

Limit $\lim\limits_{x\rightarrow 5}x^2=25$

1 vote
2 answers
129 views

Derivative at 4, when $f(x)=\frac{1}{\sqrt{2x+1}}$

1 vote
3 answers
129 views

Prove rigorously: $\displaystyle \lim_{x\rightarrow 2}x^2+5x=14$

1 vote
4 answers
2k views

Find domain and range of $(f \circ g)$ for $f(x)=\ln x$ and $g(x)=x^2−1$

1 vote
5 answers
210 views

Suppose that $|x-4|\leq1 $

1 vote
3 answers
177 views

verify $\lim_{x\rightarrow0}(4x^2+2x+5)=5$

1 vote
1 answer
3k views

Evaluate the limit, if it exists

1 vote
1 answer
269 views

$a^4+b^2+c^2=2014$

1 vote
1 answer
158 views

Maximize area of a corral

1 vote
4 answers
70 views

The minimum value of $\frac{a(x+a)^2}{\sqrt{x^2-a^2}}$

1 vote
1 answer
109 views

How to find sum of quadratic

1 vote
2 answers
11k views

Dependence of internal angles on the number of sides of a regular polygon

1 vote
0 answers
3k views

Derive a formula for the volume of the wedge in terms of the constants $a$, $b$, $c$.

1 vote
3 answers
2k views

Finding Laplace Transform of $te^{-t}$

0 votes
1 answer
167 views

Calculate angle of ruler by height raised

0 votes
1 answer
655 views

Function whose graph resembles the shape in this image

0 votes
1 answer
108 views

Correct sigma notation for an equation that sums another equation

0 votes
2 answers
89 views

Logarithmic function

0 votes
1 answer
196 views

Summation series for a $\times$ b^x