hjpotter92

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55 Answers

newest activity votes
15
Calculate:$y'$ for $y = x^{x^{x^{x^{x^{.^{.^{.^{\infty}}}}}}}}$ and $y = \sqrt{x+\sqrt{x+\sqrt{x+\sqrt{x+…\infty}}}}$
14
the unit digit for $3^{100}\cdot 37^{98}$
6
How to prove: $S=\frac{4}{3}\sqrt{ m(m-m_a)(m-m_b)(m-m_c)}$
5
Solve the following differential equations
5
Formula for $\sum _{i=1}^n (n+1-i) (n-i)$
5
Can someone identify this math font?
3
Why is a full circle 360° degrees?
3
Proof $ab-cd \ge 3$
3
How to get upper-left, upper-right, lower-left and lower-right corners XY coordinates from a rectangle shape.
2
Differential of $x= (A\cos t +B\sin t)e^{-3t}$
2
I cannot solve this problem about surface area of a cone
2
>Prove that $\frac d {dx} x^n=nx^{n-1}$ for all $n \in \mathbb R$.
2
How to solve $ 227x \equiv 1 ~ (\text{mod} ~ 2011) $?
2
Worded problems.
2
The problem of ten divided by three
2
Find the nth term of a recursive sequence
2
Is the product of the slopes of $2$ perpendicular lines $-1$?
2
Sum of series $\sin x + \sin 2x + \sin 3x + \cdots $
2
Prove $\frac{\sec{A}+\csc{A}}{\tan{A} + \cot{A}} = \sin{A} + \cos{A}$ and $\cot{A} + \frac{\sin{A}}{1 + \cos{A}} = \csc{A}$
2
Find the magnitude of the acute angle between the lines $2y+3x=4$ and $x+y=5$.
1
Showing $\log(2)$ and $\log(5)$
1
Number of solutions for an equation
1
Quicker Way to Compute Modulus?
1
Use chain rule to express $f_x$ and $f_y$ in terms of $f_\xi$ and $f_\eta$?
1
Angular velocity question. Help
1
Derivative with division and multiplication?
1
Multivariate proof using chain rule I think
1
Solving for $b$ in $25\left(\frac{\sqrt{10}-2\sqrt{5}}{50}\right) + 5b = \sqrt{5}$
1
Why the number of ways of selecting $r$ things out of $n$ identical things is 1
1
Given $\tan x = 5/4$, where $\pi/4 < x < \pi$, use the trigonometric identities to find functions.
1 2