lab bhattacharjee
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 Apr10 answered What is the sum of this series involving factorial in denominator? Apr10 comment Solve limit $\lim _{x\to \infty } \left(\frac{5-x^3}{1-x^3}\right)^{2x^2+1}$. Apr10 answered Simplifying an inverse trigonometric function Apr10 answered Given $\log 2$ and $\log 3$, compute $\log 120$ Apr10 comment Where does this equation come from: $(1+mx)^n = 1 + \sum_{n=1}^{\infty} {\binom{2n}{n} \over 4^n } x^n$ @Imago, Welcome. Also have a look into the link my comment in the question Apr10 revised Where does this equation come from: $(1+mx)^n = 1 + \sum_{n=1}^{\infty} {\binom{2n}{n} \over 4^n } x^n$ added 4 characters in body Apr10 comment Where does this equation come from: $(1+mx)^n = 1 + \sum_{n=1}^{\infty} {\binom{2n}{n} \over 4^n } x^n$ @LeonhardtvonM, Thanks, I was trying to find the mistake Apr10 answered Where does this equation come from: $(1+mx)^n = 1 + \sum_{n=1}^{\infty} {\binom{2n}{n} \over 4^n } x^n$ Apr10 comment Where does this equation come from: $(1+mx)^n = 1 + \sum_{n=1}^{\infty} {\binom{2n}{n} \over 4^n } x^n$ Apr10 comment Compute $\lim_{x\rightarrow0}\frac{e^{x^2} - \cos x}{\sin^2 x}$ @Jean-ClaudeArbaut, As $1-\cos x\ne0$ it can be cancelled safely Apr10 comment Compute $\lim_{x\rightarrow0}\frac{e^{x^2} - \cos x}{\sin^2 x}$ @Jean-ClaudeArbaut, Please revert the wrong rectification Apr10 answered Compute $\lim_{x\rightarrow0}\frac{e^{x^2} - \cos x}{\sin^2 x}$ Apr10 comment If $(58)^a=(5.8)^b=10^c$, then what is the relation between $a,b,c$? @HemantaPaul, Have you noticed "Else" Apr9 answered What is $\tan \alpha$ if $\sin \alpha + \cos \alpha = \frac{\sqrt{3}-1}{2}$ and $\alpha \in (90^\circ,135^\circ)$ Apr9 answered Computing $\int^{2}_{1}x^x \ln x \,dx$ in terms of $\int^{2}_{1}x^x dx$ Apr9 answered If $(58)^a=(5.8)^b=10^c$, then what is the relation between $a,b,c$? Apr9 comment What is $\tan \alpha$ if $\sin \alpha + \cos \alpha = \frac{\sqrt{3}-1}{2}$ and $\alpha \in (90^\circ,135^\circ)$ This is called en.wikipedia.org/wiki/Tangent_half-angle_substitution Apr9 revised Summation of $\frac {n^a}{n!}$ added 124 characters in body Apr9 answered Summation of $\frac {n^a}{n!}$ Apr9 revised What is $\tan \alpha$ if $\sin \alpha + \cos \alpha = \frac{\sqrt{3}-1}{2}$ and $\alpha \in (90^\circ,135^\circ)$ added 306 characters in body