# Half-Blood prince

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bio website location Britain age 54 member for 1 year, 1 month seen 14 hours ago profile views 85

one thing that drives me is my love for maths

 11 Convergence of $\frac{\sqrt{a_{n}}}{n}$ 4 The $\sum\limits_{n = 1}^\infty {\frac{{\sin (\sqrt n )}}{{{n^{\frac{3}{2}}}}}}$ series is absolutely convergent? 3 Finding the limit of $\left(\frac{n}{n+1}\right)^n$ 1 Possible to find integers $x,y$ such that $6x+15y=2$? 1 Solving $x\frac{\partial u}{\partial x} + y\frac{\partial u}{\partial y }=1$

# 537 Reputation

 +15 Calculate mirror angle +10 Possible to find integers $x,y$ such that $6x+15y=2$? +2 Obscure Rotation Matrix +2 Finding range for $\frac{1}{\exp(x^2)+3}$

# 14 Questions

 3 On definition of gamma function. 3 How to find $\int_0^{\pi}\frac{\sin n\theta}{\cos\theta-\cos\alpha}d\theta$ 1 What happens to other eigenvalue? - steady state heat equation 1 If integral is zero and function is continuous and non negative, then what about the function? [duplicate] 1 $\int_{-c}\mathbf{F}.\mathbf{dl}=-\int_{c}\mathbf{F}.\mathbf{dl}$-what is wrong here?

# 47 Tags

 17 sequences-and-series × 7 3 exponential-function 11 calculus × 25 2 functions × 4 5 real-analysis × 5 1 integration × 7 5 divergent-series × 2 1 pde × 5 4 limits × 5 1 differential-equations × 5

# 15 Accounts

 Mathematics 537 rep 216 Area 51 151 rep 1 Physics 121 rep 3 Electrical Engineering 103 rep 2 Stack Overflow 101 rep