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Studying maths in a higher semester.


17h
revised Does $\int_0^{\infty}\frac{x\hspace{1mm}dx}{x^3+1}$ converge?
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17h
revised Does $\int_0^{\infty}\frac{x\hspace{1mm}dx}{x^3+1}$ converge?
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18h
comment Does $\int_0^{\infty}\frac{x\hspace{1mm}dx}{x^3+1}$ converge?
$= \infty$... That's too much of a let-in
18h
answered Does $\int_0^{\infty}\frac{x\hspace{1mm}dx}{x^3+1}$ converge?
18h
comment Does $\int_0^{\infty}\frac{x\hspace{1mm}dx}{x^3+1}$ converge?
Compare it to a certain sum.
18h
revised Finding the co-ordinate vector
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18h
comment Finding the co-ordinate vector
@MattPressland I noticed that. Fixing right now. Thanks :)
18h
answered Finding the co-ordinate vector
20h
comment The sum of all the odd numbers to infinity
Voted for duplicate as to why $S_1 = -\frac1{12}$ since this is the cause of the confusion.
1d
comment Expand $-(x-2y)^2$
Please read the tag descriptions before applying tags. exponentiation and sequences-and-series are completely unrelated to your question.
1d
revised Expand $-(x-2y)^2$
edited tags
1d
comment Composition of a function with a metric
@user92638 I fixed the cases for a), you had $x=0$ and $x>1$ leaving $f$ undefined in $(0,1]$.
1d
revised Composition of a function with a metric
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1d
reviewed Close Pipe A is a inlet pipe filling the tank at 8000 litre/hour .Pipe B is the outlet pipe which empties the tank in 3 hours.
1d
reviewed Close How many will not be selected in repeated tries?
1d
reviewed Approve suggested edit on uniqueness of joint probability mass function given the marginals and the covariance
1d
comment Showing $p^2 + q^2\ne r^2$ for primes $p, q, r$.
@MJD Didn't say "Hint", did I? I liked the question and decided to write a full answer.
1d
answered Showing $p^2 + q^2\ne r^2$ for primes $p, q, r$.
1d
comment Showing $p^2 + q^2\ne r^2$ for primes $p, q, r$.
@Aks Take a look at math.stackexchange.com/help/notation
1d
revised Showing $p^2 + q^2\ne r^2$ for primes $p, q, r$.
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