Top network posts

• 11 Finding the last two digits of a number
• 8 The expression $\sqrt{13+3\sqrt{\frac{23}{3}}} +\sqrt{13-3\sqrt{\frac{23}{3}}} $ is which type of number?
• 7 The roots of the equation $x^4-8x^3+ax^2-bx+16=0$ are positive if
• 6 Find $1^2+3^2+...99^2$ given $1^1+2^2+...+100^2$ and $1^1+2^2+...+50^2$
• 6 Is my proof of $\lim_{x\to \infty}\frac 1x = 0$ correct?
• 6 Finding $ \int \frac{5x^2-x-4}{x^5+x^4+1}dx$
• 5 How to calculate this limit $\lim\limits_{n \to \infty} \left[\left(n+\frac 32\right)^{\frac 13} - \left(n+ \frac 12\right)^{\frac 13}\right]$?
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