en 1answer
William's questions - English 1answer
69 questions.
Questions
Answers
What does $f(x,y)$ mean?
1
5
answers,
0
favourites,
40
views
functions
How do I prove this statement involving binomial coefficients?
2
2
answers,
0
favourites,
39
views
binomial-coefficients
Does the interpretation of “ $\forall$ ” differ in these contexts?
4
answers,
0
favourites,
26
views
relations
How is this case a reflexive relation?
3
answers,
0
favourites,
23
views
relations
If the order in a set doesnâ€™t matter, can we change order of, say, $\Bbb{N}$?
8
7
answers,
1
favourites,
812
views
elementary-set-theory
natural-numbers
Does changing the order of sigma notation matter?
4
2
answers,
0
favourites,
54
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,
19
views
induction
What is $\max $ and $ \min $ in set theory?
2
answers,
0
favourites,
53
views
functions
Can anybody explain me the logic of the inductive step of strong induction?
2
answers,
0
favourites,
37
views
induction
In the principle of Mathematical Induction, why do we take the base case as $P(1)$ only? [duplicate]
1
3
answers,
0
favourites,
54
views
induction
What is the need of homogeneous function? [closed]
4
answers,
0
favourites,
30
views
functions
soft-question
Why do we start measuring angle from positive direction of X axis only?
-1
4
answers,
0
favourites,
25
views
coordinate-systems
What does it mean when they say Trigonometric Ratios of “Standard Angle”?
2
1
answers,
0
favourites,
49
views
trigonometry
Why do we choose a unit circle with center at origin to define trigonometric ratios?
-1
2
answers,
0
favourites,
52
views
trigonometry
How do you read $\pm$? Why does $|x|=3$ imply $x=\pm 3$?
1
3
answers,
0
favourites,
73
views
algebra-precalculus
notation
absolute-value
If a curve doesn't pass vertical line test, it's a not a function then is $x= |\sin y|$ a function?
1
answers,
0
favourites,
30
views
functions
Why does $f(xy) = f(x)+ f(y) \implies f(x) = k \ln x$
1
2
answers,
0
favourites,
75
views
functions
logarithms
Why is $\sin : \mathbb{R} \to [-5,5] $ different from $\sin : \mathbb{R} \to \mathbb{R}$? [duplicate]
14
3
answers,
4
favourites,
1.505
views
functions
Is codomain whatever we make? [duplicate]
1
1
answers,
0
favourites,
46
views
functions
How do I solve this algebra problem
6
2
answers,
2
favourites,
163
views
algebra-precalculus
systems-of-equations
nonlinear-system
Can anyone tell me where am I making mistakes here in composition of function problem
1
2
answers,
0
favourites,
26
views
functions
Can anyone help with find the properties associated with $\prod$ of product [closed]
-1
3
answers,
0
favourites,
49
views
products
infinite-product
Is it still an even function if I replace $y$ with $-y$
2
answers,
0
favourites,
50
views
functions
terminology
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,
44
views
functions
roots
regular-expressions
Why am I getting a wrong answer on solving $|x-1|+|x-2|=1$
2
4
answers,
0
favourites,
70
views
absolute-value
Why does ratio of $2$ linear expression gives you a rectangular hyperbola
1
answers,
0
favourites,
26
views
calculus
algebra-precalculus
conic-sections
How is the notation $\{ \, . \} $ read in Mathematics
3
1
answers,
1
favourites,
92
views
notation
terminology
Why is it often said that dependent variable depends on the values of independent variable
2
2
answers,
0
favourites,
32
views
functions
terminology
What is $ \displaystyle\int\dfrac{x^4}{1+ e^x} dx $?
4
2
answers,
1
favourites,
153
views
calculus
integration
indefinite-integrals
1
2
3
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