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Filthyscrub
  • Member for 3 years, 11 months
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3 votes
1 answer
251 views

Condition for a rigid body in equilibrium on a horizontal surface

3 votes
2 answers
2k views

The logarithmic form of $\text{arcsin}(x)$ and its implications

3 votes
1 answer
99 views

Complex roots of quartic equation during solution of $z^5=1$

3 votes
3 answers
601 views

Addition law for non mutually exclusive events

2 votes
3 answers
68 views

Finding the sum of the series $1^2 + 2 × 2^2 + 3^2 + 2 × 4^2 + 5^2 + 2 × 6^2 + . . . + 2(n − 1)^2 + n^2 ,$

2 votes
2 answers
61 views

$\frac{(x-a)^2}{(x-2a)^2}=\left\lvert{ {\frac{x-a}{x-2a}} }\right\rvert$ leading to contradictory solutions

2 votes
3 answers
360 views

Why is this definite integral divergent?

2 votes
2 answers
299 views

Finding the center of mass of a composite lamina

2 votes
3 answers
56 views

Evaluating Sum at bounds

2 votes
1 answer
109 views

Are there any questions or worksheets available for this topic?

2 votes
2 answers
129 views

How can I find the reduction formula for $I_n=\int^1_0{x^6 (1+x^3)^{n}}dx$

2 votes
2 answers
303 views

How can I prove this reduction formula for $\int^1_0{x(1-2x^4)^n}dx$

1 vote
2 answers
1k views

How many five digit numbers can be formed that are both odd and less than $40,000$ with the set $\{2,3,4,5,6\}$

1 vote
1 answer
86 views

How to solve the eigenvector equation using an inverse?

1 vote
2 answers
377 views

Integrating $\text{sech}(x)$ using a hyperbolic substitution method

1 vote
4 answers
92 views

What is a more rigorous method of solving modulus function inequalities?

1 vote
1 answer
1k views

Why is the integral test only for positive decreasing functions?

1 vote
1 answer
104 views

What is this weird inconsistency in inverse of $\cos^2x$?

1 vote
1 answer
1k views

Why do we disregard the remainder while finding an oblique asymptote?

1 vote
1 answer
2k views

How do I solve for the reaction force at the hinge

1 vote
1 answer
195 views

Is the auxiliary equation of a differential equation related to characteristic polynomial for matrix eigenvalues?

1 vote
7 answers
579 views

Weird "hidden answer" in $2\tan(2x)=3\text{cot}(x)$

1 vote
2 answers
182 views

Prove that if $U$ is a linearly independent subspace of $V$ then the list formed by adding a vector $w\in V$ is linearly dependent iff $w\in$ span U

1 vote
0 answers
62 views

What is the name of the topic/field that covers graphing $\frac{1}{f(x)}$, $|f(x)|$, and $f(|x|)$, given the graph of $f(x)$?

1 vote
1 answer
700 views

Calculating the p value for the sign test

0 votes
1 answer
151 views

The semantics of rejecting the null hypothesis

0 votes
2 answers
85 views

Finding the $i$th power of $i$ [duplicate]

0 votes
3 answers
73 views

Problem on deriving $E(x)$ of a geometric distribution

0 votes
1 answer
145 views

Trying to understand and derive the binomial distribution

0 votes
1 answer
190 views

Finding the centre of mass of two right cones joined combined