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15
Math.TechQA.Club
2016-03-29 16:39:52
2.9k
Views
Prove that $x^2+1$ cannot be a perfect square for any positive integer x?
Published on
29 Mar 2016 - 16:39
#number-theory
#proof-verification
#proof-writing
#square-numbers
452
Views
Square Root of Rational Number $\frac{A}{B}$
Published on
31 Mar 2016 - 7:53
#fractions
#rational-numbers
#prime-factorization
#gcd-and-lcm
#square-numbers
181
Views
Different proofs for $n ( n + 1 ) ( n + 2 ) ( n + 3 )$
Published on
31 Mar 2016 - 13:17
#elementary-number-theory
#alternative-proof
#square-numbers
116
Views
Floor Function and Euler-Mascheroni Constant
Published on
02 Apr 2016 - 0:49
#integers
#ceiling-and-floor-functions
#square-numbers
117
Views
Why this book says that $ 2^{1/2} = ±\sqrt{2} $?
Published on
04 Apr 2016 - 4:34
#complex-numbers
#roots
#square-numbers
582
Views
Sums involving floor function
Published on
04 Apr 2016 - 9:04
#summation
#ceiling-and-floor-functions
#square-numbers
774
Views
Primes Between Squares of Primes
Published on
26 Mar 2026 - 13:48
#number-theory
#prime-numbers
#square-numbers
#prime-gaps
412
Views
How many perfect squares exist?
Published on
06 Apr 2016 - 15:31
#number-theory
#elementary-number-theory
#contest-math
#integers
#square-numbers
29
Views
Finding large integer squares - how to decide modulus to calculate.
Published on
10 Apr 2016 - 18:56
#number-theory
#square-numbers
296
Views
Square Root of $5$ mod $10^{9}+7$
Published on
11 Apr 2016 - 9:06
#elementary-number-theory
#discrete-mathematics
#modular-arithmetic
#modules
#square-numbers
216
Views
variant of Lagrange's four square theorem using a restricted set of squares
Published on
28 Mar 2026 - 22:55
#number-theory
#square-numbers
#sums-of-squares
1.8k
Views
Counting Squares In a Range
Published on
18 Apr 2016 - 15:23
#algebra-precalculus
#square-numbers
76
Views
What triples of square-free integers $(r,s,t)$ admit integer solutions $(x,y,z)$ where $rx^2,sy^2,tz^2$ are consecutive integers?
Published on
21 Apr 2016 - 14:06
#elementary-number-theory
#square-numbers
#pell-type-equations
107
Views
Finding a number $n$ and $k$ such that $nx+k$ will be a perfect square for any two given $x$.
Published on
22 Apr 2016 - 8:23
#elementary-number-theory
#square-numbers
275
Views
$\sqrt{x+938^2} - 938 + \sqrt{x + 140^2} - 140 = 38$ - I keep getting imaginary numbers
Published on
30 Apr 2016 - 3:22
#algebra-precalculus
#quadratics
#square-numbers
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