imulsion
  • Member for 9 years, 4 months
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6 answers
17 votes
3k views
10 bookmarks
Expected number of rolls to get all sixes
7 answers
4 votes
5k views
1 bookmarks
The perimeter of the rectangle is $20$, diagonal is $8$ and side is $x$. Show that $x^2-10x+18=0$
3 answers
4 votes
265 views
How to calculate $(3+4i)\cdot(1+i)$
2 answers
3 votes
3k views
1 bookmarks
Solving equations of the form $ae^x + bx +c =0$
3 answers
3 votes
599 views
Proving the quadratic formula (for dummies)
1 answers
2 votes
924 views
1 bookmarks
Undefined term in Fourier series
2 answers
2 votes
170 views
1 bookmarks
Fraction of original velocity in series of elastic collisions
2 answers
2 votes
118 views
Roots of a sixth degree polynomial
3 answers
2 votes
255 views
Differentiation with the quotient rule
0 answers
1 votes
615 views
1 bookmarks
Using Fourier sine transform to solve PDE
1 answers
1 votes
1k views
1 bookmarks
Proof that $e^x$ can be expressed in a series of ascending powers of $x$
2 answers
1 votes
213 views
GCSE maths question concerning indices
5 answers
1 votes
1k views
Inductive proof that every term is a sequence is divisible by 16
2 answers
1 votes
91 views
Why does this work, and why is it wrong?
2 answers
1 votes
54 views
Series question with unknown limit
5 answers
1 votes
88 views
1 bookmarks
Find the range of values that $x$ can take if $9 \log_x5 = \log_5x$
3 answers
1 votes
1k views
Common logarithm question
1 answers
1 votes
269 views
How to show $\frac{300}{v} - \frac{300}{v+20} = 1.25$
6 answers
0 votes
28k views
1 bookmarks
Question on Spearman's Rank Correlation Coefficient
0 answers
0 votes
45 views
Finding upper bound for sum
3 answers
0 votes
130 views
2 bookmarks
Integrating $\frac{1}{1+e^x}$
3 answers
0 votes
330 views
Probability of success in $n$ trials
2 answers
0 votes
75 views
Equation with the discriminant
3 answers
-1 votes
1k views
Finding the coefficient of $x^{10}$