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Mathematics
Ritam_Dasgupta's user avatar
Ritam_Dasgupta's user avatar
Ritam_Dasgupta's user avatar
Ritam_Dasgupta
  • Member for 3 years, 2 months
  • Last seen this week
  • India
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About

I like solving problems. Have been into S&M ever since I was a little kid. Yes, Science & Math have always been my favorite subjects.

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16
If $f(x) = \frac{x^3}{3} -\frac{x^2}{2} + x + \frac{1}{12}$, then $\int_{\frac{1}{7}}^{\frac{6}{7}}f(f(x))\,dx =\,$?
Jun 10, 2021
11
Showing $\int_{0}^{2\pi}\cos(x)\cos(2x)\cos(3x)\,dx = \frac\pi2$
Jul 5, 2021
9
Is $4| \left(\prod_{i=1}^n a_i-\prod_{i=1}^n b_i\right)$ always true?
Jul 29, 2021
9
How do you determine the sign of $\sin 3 + \sin 4$ without using a calculator? Is it even possible to have a sensible answer?
Jun 26, 2021
9
Why does the triangle inequality seem to be false when rewritten based on $|x| = \sqrt{x^{2}}$?
Jun 20, 2021
7
$\tan\frac{\pi}{9} +4\sin\frac{\pi}{9} = \sqrt 3 $
Jul 29, 2021
6
Points on the hypotenuse of a right-angled triangle
Aug 11, 2021
6
find integral $\int_0^{\pi/2}~{\frac{\sin(~40~x)}{\sin(~5~x)}}\mathrm{d}x$
May 24, 2021
6
Confused on a simple problem
May 11, 2021
5
Does $\sum_{r=6}^\infty\frac{\sum_{l=2}^k\binom{l-1}{r-2l-2}}{2^r}$, where $k=\left\lceil\frac{r-3}2\right\rceil$, converge to $\frac3{80}$?
Jul 28, 2021
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7
Considering Gibbs energy or electrode potential to find disproportionation tendency
5
Why did the McDonalds agree to a handshake deal in The Founder?