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Spectre's user avatar
Spectre's user avatar
Spectre
  • Member for 3 years, 10 months
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8 votes
Accepted

A problem about Prime Numbers and Perfect Squares

5 votes

Simple algebra, finding x

3 votes

What does$ f(f(x))=0$ mean?

3 votes

Finding the range of $y =\frac{x^2+2x+4}{2x^2+4x+9}$ (and $y=\frac{\text{quadratic}}{\text{quadratic}}$ in general)

2 votes
Accepted

Show that the two definitions of LCM are equivalent.

2 votes
Accepted

please prove the following equations of maths

2 votes

Is this a valid definition for prime numbers? $\mathbb P = \{ 2,3,6k \pm 1 = p|k,m,n \in \mathbb N,p \ne (6m \pm 1)(6n \pm 1)\}$

2 votes
Accepted

The only factor that is common to 200 and an integer n is 1. When $n/200$ what is the minimum number of digits to the right of the decimal point?

2 votes

What are good "math habits" that have improved your mathematical practice?

1 vote
Accepted

Interpreting the meaning of change in a variable

1 vote

Applying chain rule in $f(x)=\sin(x)\cdot x\ln(x)$

1 vote

Proof by Contradiction (I think)

1 vote

If $A+B \mid A^5$ and $A+B \mid B^5$, what can be concluded?

1 vote

Conditions for $p^m-2$ to be a prime power for a prime $p$ and a positive integer $m$

1 vote

Connection between angle and arc length

1 vote

Algorithm to get maximum number of n rectangles with given same width and height that fit into a rectangle with a given width and height

1 vote

Why is $\frac{d}{dt}[\frac{1}{y}] = \frac{d}{dt}[\cos{x}]$ result in an application of the chain rule in related functions?

1 vote
Accepted

Is It Hopeless for Me to Try to Understand the Derivations of All Formulas I Use?

1 vote

Does the summation symbol imply precedence over multiplication?

1 vote

why does the probability function must add up to 1?

1 vote

Is $GCD(2^n,(x^2+1)^{n-1})=1$

1 vote

Is induction better than other proof methods?

1 vote

Is it allowed to use the modulo operation in math?

1 vote
Accepted

Number Theory Problem, proving Congruency with a condition

1 vote

How to complete gcd number theory proof with induction?

1 vote

Finding an expression to write every odd square with one positive integer variable.

1 vote

Prove that there are don't exist integers $a,b,c$ such that for every integer $x$ the number $A=(x+a)(x+b)(x+c)-x^3-1$ is divisible by $9$.

0 votes

Rewriting the expression $sx + ty = d $ where $d$ is the gcd of $s$ and $t$,

0 votes

If $n$ is a natural number, then $4$ divides $5^n-1$.

0 votes

$\lim_ {x\to 0} \frac{a^x\sin(bx)-b^x\sin(ax)}{\tan(bx)-\tan(ax)}$