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Mathematics
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DarkKnight
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2
Which value of $c$ makes $\sum^{\infty}_{n=1}\dfrac{c}{n!}$ converge to 1?
Mar 26
1
Why can we remove the absolute values in $\left | \frac{y(x)-1}{y(x)} \right | = |x|^K$?
Dec 8, 2023
1
Find the sum of $\sum_{n = 1}^{\infty} (-1)^n \frac{(n+1)^2}{n!}$
Mar 25
1
a alternative way to get the maximum value of the magnitude of the composite vector?
Mar 26
1
Finding the values of $k$ for which $3\sin(\theta)+k\cos(\theta+30^\circ)=7$ has real solutions
Mar 29
1
Showing that $x = \sec\theta + \tan\theta$ and $y = 2\sec\theta$ satisfy $x^{2}-xy+1=0$ without substitution?
Mar 29
0
Product of perpendiculars to chord of contact from any point on the director circle is a constant
Mar 25
0
$1\binom{20}1+2\binom{20}2+3\binom{20}3+\dots+19\binom{20}{19}+20\binom{20}{20}$
Apr 2