User imulsion - Mathematics Stack Exchange

imulsion

Member for 11 years, 2 months
Last seen more than a month ago

N/A
United Kingdom

24 Questions

Score Activity Newest Views

17 votes

6 answers

3k views

Expected number of rolls to get all sixes

asked Nov 7, 2017 at 19:50

5 votes

7 answers

7k views

The perimeter of the rectangle is $20$, diagonal is $8$ and side is $x$. Show that $x^2-10x+18=0$

asked May 10, 2013 at 16:27

4 votes

3 answers

273 views

How to calculate $(3+4i)\cdot(1+i)$

asked Sep 22, 2012 at 7:45

4 votes

2 answers

3k views

Solving equations of the form $ae^x + bx +c =0$

asked Apr 17, 2015 at 7:03

3 votes

3 answers

630 views

Proving the quadratic formula (for dummies) [duplicate]

asked May 14, 2013 at 17:47

2 votes

3 answers

267 views

Differentiation with the quotient rule

asked Dec 3, 2014 at 21:13

2 votes

2 answers

131 views

Roots of a sixth degree polynomial

asked Jun 23, 2015 at 16:20

2 votes

2 answers

186 views

Fraction of original velocity in series of elastic collisions

asked Aug 9, 2015 at 15:46

2 votes

1 answer

1k views

Undefined term in Fourier series

asked Oct 26, 2017 at 21:13

1 vote

0 answers

641 views

Using Fourier sine transform to solve PDE

asked Oct 27, 2017 at 11:26

1 vote

1 answer

2k views

Proof that $e^x$ can be expressed in a series of ascending powers of $x$

asked Jan 7, 2015 at 20:09

1 vote

2 answers

62 views

Series question with unknown limit

asked Feb 22, 2015 at 10:45

1 vote

2 answers

151 views

Why does this work, and why is it wrong?

asked Apr 7, 2015 at 19:55

1 vote

5 answers

2k views

Inductive proof that every term is a sequence is divisible by 16

asked May 13, 2015 at 18:41

1 vote

2 answers

615 views

GCSE maths question concerning indices

asked May 20, 2014 at 16:30

1 vote

3 answers

1k views

Common logarithm question

asked Jul 29, 2014 at 10:32

1 vote

1 answer

273 views

How to show $\frac{300}{v} - \frac{300}{v+20} = 1.25$

asked Mar 9, 2013 at 11:51

1 vote

5 answers

167 views

Find the range of values that $x$ can take if $9 \log_x5 = \log_5x$

asked Sep 21, 2014 at 15:24

0 votes

2 answers

75 views

Equation with the discriminant

asked Sep 8, 2014 at 16:58

0 votes

6 answers

29k views

Question on Spearman's Rank Correlation Coefficient

asked May 30, 2015 at 14:43

0 votes

3 answers

168 views

Integrating $\frac{1}{1+e^x}$

asked Jun 22, 2015 at 18:47

0 votes

3 answers

651 views

Probability of success in $n$ trials

asked Apr 17, 2015 at 18:22

0 votes

0 answers

46 views

Finding upper bound for sum

asked Nov 8, 2015 at 20:42

-1 votes

3 answers

1k views

Finding the coefficient of $x^{10}$

asked Nov 11, 2014 at 18:15