user avatar
user avatar
user avatar
Peter F.
  • Member for 2 years, 7 months
  • Last seen more than 1 year ago
4 votes
2 answers
107 views

The principle of inclusion and exclusion: How many permutations of the set $\{1, 2,. . . , 8\}$ do not leave any even number in its place?

3 votes
0 answers
20 views

Domain and form of a composition

3 votes
4 answers
556 views

How to verify whether function is surjective or injective

3 votes
2 answers
63 views

Solving a differential equation using an integrating factor

2 votes
3 answers
105 views

Differential equation with integrating factor

2 votes
2 answers
52 views

Uniform converge of a functional sequence [closed]

2 votes
1 answer
71 views

Las Vergnas theorem

2 votes
2 answers
111 views

How many times in the future after the 1st of January of 2019 will a palindrome date happen?

2 votes
2 answers
45 views

Solving bond duration

2 votes
2 answers
160 views

Investigate the continuity of a function

2 votes
2 answers
61 views

Evaluation of limit to infinity with nth-root

2 votes
3 answers
2k views

Calculate the approximate value

1 vote
1 answer
81 views

Solving a parametric inequality [closed]

1 vote
1 answer
60 views

Reasons for continuity of function

0 votes
1 answer
101 views

Improper Riemann Integral

0 votes
1 answer
54 views

Proof by Binomial theorem

0 votes
1 answer
26 views

Multinomial theorem problem

0 votes
2 answers
27 views

Finding the area of the part of the plane given by the curves

0 votes
0 answers
49 views

Uniform convergence of series on interval

0 votes
0 answers
44 views

Continuity and Riemann integral of function

0 votes
3 answers
114 views

Choosing 5 of 7 balls of different colors

0 votes
2 answers
51 views

Continuity of $ f(x,y)=\frac{x^{3}y}{x^{6}+y^{2}}$ [duplicate]

0 votes
1 answer
24 views

Finding $K_{3,3}, K_{5}$ as subgraphs

0 votes
3 answers
39 views

Do not understand step in solving differential equation

-1 votes
1 answer
31 views

The number of different triangles and each side has a different length