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Chx
  • Member for 6 years, 2 months
  • Last seen more than 1 year ago
4 votes
1 answer
8k views

How to find lines of invariant points?

3 votes
1 answer
206 views

Finding the area enclosed by the graphs of: $y=x\left(x-4\right)^2$ ,$y=4x-x^2$.

2 votes
0 answers
47 views

Is this a sufficient proof for showing that if matrices commute, their inverses commute?

2 votes
2 answers
271 views

Perpendicular lines and vectors

2 votes
4 answers
150 views

Where did I go wrong in my working? - integration via substitution $\int_{0}^{\frac{1}{2}\ln3}\frac{1}{e^x+e^{-x}}dx$.

2 votes
1 answer
114 views

Normal distribution with the sample mean question

2 votes
3 answers
2k views

Finding the acceleration of a system

1 vote
1 answer
73 views

Why is this approach incorrect? - Circular motion

1 vote
2 answers
2k views

Converting complex numbers into Cartesian Form 3

1 vote
3 answers
867 views

Find the three roots of the equation $\left(z+1\right)^3=-1$ [duplicate]

1 vote
0 answers
86 views

What is fundamentally wrong with my approach?

1 vote
2 answers
772 views

Rearranging to get an iterative function (fixed point)

1 vote
2 answers
4k views

Finding the angle between two vectors.

1 vote
1 answer
31 views

Testing the sample mean textbook question

0 votes
1 answer
1k views

Finding the perpendicular distance from a force to a point

0 votes
1 answer
85 views

Differential equations - mechanics question explanation

0 votes
1 answer
2k views

Finding invariant lines

0 votes
3 answers
7k views

Maximum and minimum values of probabilities

0 votes
1 answer
1k views

For a normal distribution, what is the ratio between the standard deviation and the interquartile range? [closed]

0 votes
1 answer
82 views

Using P(X=n) in normal distribution questions.

0 votes
0 answers
239 views

Finding the area enclosed by two curves when are areas under the x axis.

0 votes
1 answer
37 views

Where did I go wrong in my integration (by parts)?

0 votes
2 answers
520 views

Where is the flaw in my logic in this normal distribution question?

0 votes
1 answer
1k views

Working backwards with Venn Diagrams

0 votes
2 answers
238 views

Equating the spans of two sets of vectors

0 votes
1 answer
38 views

Taking g to be negative - where did I go wrong?

0 votes
2 answers
84 views

When is the integral of $x^{-1} = \ln \lvert x \rvert$? [closed]