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Oct
24
answered How can I find the quadratic formula using calculus?
Sep
28
answered How to solve $\lim _{x\to \infty \:}\left(\sqrt{x+\sqrt{1+\sqrt{x}}}-\sqrt{x}\right)$ Solved
Sep
17
answered Integrate with substitution. Evaluate $ \int \frac{\sin\sqrt x}{\sqrt x} \ dx$.
Aug
26
answered Why $\sum_{k=0}^\infty (-1)^k \frac{(\ln 4)^k}{k!}=0.25$?
May
23
answered How many three digit numbers with increasing digits can be formed from the set $\{1, 2, 3, 4, 5, 6, 7, 8\}$?
May
21
answered Finding the period of $f(x) = \sin 2x + \cos 3x$
Feb
26
answered Problem with evaluating the exact value of an integral
Jul
1
answered If $X$ is distributed normally with mean $0$, is it correct to say $X$ and $-X$ “have the same distribution”?
May
10
answered How find a example such this set condition?
Apr
11
answered Minimum number of combinations
Apr
8
answered Convert from base 10 to base 5
Apr
5
answered What is the probability that you will see an odd number of heads?
Apr
1
answered What is the legality of the following series?
Oct
23
answered Intuition behind product rule of probability
Oct
22
answered Proof of Aristarchus' Inequality
Oct
20
answered Are there any open mathematical puzzles?
Oct
19
answered Determine $a<0$ such that $\int_a^0 f(x) dx = f(a)$
Oct
15
answered Is there a fast way to compute coefficient of some term of the product of some series'?
Oct
15
answered How do I reduce this: $\frac{2}{x\ln(4)}\quad ?$
Oct
13
answered Coupon selecting problem