en 1answer
William's questions - English 1answer
89 questions.
Questions
Answers
Why is GCD of any two integers positive? [unit normalization of GCDs]
3
2
answers,
0
favourites,
92
views
abstract-algebra
Decimal Representation vs Decimal Expansion
1
answers,
0
favourites,
11
views
elementary-number-theory
What kind of other operations you can perform on sets?
2
answers,
0
favourites,
23
views
elementary-set-theory
The cube of any integer divided by 8 leaves a remainder?
1
3
answers,
0
favourites,
33
views
elementary-number-theory
Why do we eventually end up with $0$ in Euclidean Algorithm?
3
3
answers,
0
favourites,
28
views
elementary-number-theory
What is the reason for putting the restriction on the divisor and remainder in division algorithm?
1
2
answers,
0
favourites,
42
views
number-theory
elementary-number-theory
Can anyone help me understand the notation of binary operator in the definition
2
4
answers,
0
favourites,
28
views
functions
Can anyone walk me through the idea of “why's” in this method of proving a function is surjective
3
2
answers,
0
favourites,
34
views
algebra-precalculus
Does $\dfrac{d}{dx} f(x) = 0 \Rightarrow f(x)$ is a constant function?
4
3
answers,
0
favourites,
58
views
calculus
limits
Permutations when some objects are identical
2
1
answers,
0
favourites,
21
views
combinatorics
permutations
What would be the correct notation of antilogarithm if I would also like to specify the base?
2
1
answers,
0
favourites,
31
views
notation
How do I prove $n! > n^3 , \forall n ≥6, n \in \mathbb{N}$?
-2
4
answers,
1
favourites,
74
views
induction
Can anybody tell me whether or not my proof by induction is correct?
2
answers,
0
favourites,
46
views
induction
What is the derivative of $e^x$ wrt $y$?
4
answers,
0
favourites,
47
views
derivatives
Does the domain of a real valued function need be a $\mathbb{R}$ or some subset of $\mathbb{R}$?
2
answers,
0
favourites,
39
views
functions
Why does a partially ordered set need to be reflexive?
1
answers,
0
favourites,
19
views
relations
Why is the “greater than” or “less than” symbol referred to as operators?
3
2
answers,
0
favourites,
258
views
functions
How do I eliminate $x$ and $y$ from the system $x^2 y= a$, $x(x+y)= b$, $2x+y=c$ to get a single equation in $a$, $b$, $c$?
3
4
answers,
0
favourites,
80
views
algebra-precalculus
What's the intuition behind the fact that you can factorise an expression as $(x-a)(x-b)$ if $a$ and $b$ are the roots of the expression
1
1
answers,
0
favourites,
46
views
functions
roots
Is there a difference between these two notations, $f(x)$ and $f((x))$?
3
answers,
0
favourites,
71
views
functions
notation
What do we refer to when we say algebraic structure?
2
0
answers,
0
favourites,
57
views
abstract-algebra
What does $f(x,y)$ mean?
1
5
answers,
0
favourites,
60
views
functions
How do I prove this statement involving binomial coefficients?
1
2
answers,
0
favourites,
42
views
binomial-coefficients
Does the interpretation of “ $\forall$ ” differ in these contexts?
4
answers,
0
favourites,
32
views
relations
How is this case a reflexive relation?
3
answers,
0
favourites,
26
views
relations
If the order in a set doesn’t matter, can we change order of, say, $\Bbb{N}$?
7
7
answers,
1
favourites,
855
views
elementary-set-theory
natural-numbers
Does changing the order of sigma notation matter?
4
2
answers,
0
favourites,
65
views
summation
How do I find the probability of occurrence of 2 events in this question?
3
answers,
0
favourites,
31
views
probability
probability-theory
How do you determine how many cases to consider in base case of strong induction?
1
answers,
0
favourites,
27
views
induction
What is $\max $ and $ \min $ in set theory?
2
answers,
0
favourites,
58
views
functions
1
2
3
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