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 Mar 18 comment Why does $\frac {a}{b}$ of $c$ mean $\frac {a}{b} \cdot c$ See this answer Why does OF mean multiply ? Nov 8 comment Need help in following problems related to combinatorial analysis. Please go thru the derivations of the basic formulas, you can use
Permutation formula (Khan Academy) Jun 13 comment Online videos on Measure theory. These are lectures by Prof. Inder Rana, who is the author of the book "An Introduction to Measure and Integration" Second Edition, Published by American Mathematical Society. (Graduate Studies in Mathematics Series.) May 22 revised How can I prove that $2ab \leq a^2 + b^2$? Linear-Algebra is not an appropriate tag for this question. So I removd it. May 22 suggested approved edit on How can I prove that $2ab \leq a^2 + b^2$? Apr 20 awarded Informed Apr 20 comment Find the values of $\sin 69^{\circ},\sin 18^{\circ} , \tan 23^{\circ}$ Additional link for sin 1. This is also a useful document Exact Values of the Sine and Cosine Functions in In crements of 3 degrees. Apr 20 revised Find the values of $\sin 69^{\circ},\sin 18^{\circ} , \tan 23^{\circ}$ Edited for sqrt Apr 20 revised Find the values of $\sin 69^{\circ},\sin 18^{\circ} , \tan 23^{\circ}$ Edited for sqrt Apr 20 answered Find the values of $\sin 69^{\circ},\sin 18^{\circ} , \tan 23^{\circ}$ Apr 7 awarded Organizer Apr 7 revised A 10 digit positive number and ordered triplets I have changed the Tag from Liner Algebra to elementary-number-theory Apr 7 suggested approved edit on A 10 digit positive number and ordered triplets Mar 18 revised IMO programs of different nations? I rewrote to added clarity. I have used points clairified in the comments. Also a spelling correction. Mar 18 suggested approved edit on IMO programs of different nations? Mar 17 answered Calculate difference in days to reference date Mar 9 revised Why does the least common denominator work? Just added a clarification for my earlier answer. Mar 9 revised How to represent sign function in range $[-1, 1]$ Put a ",' between -1 & 1 Mar 9 suggested approved edit on How to represent sign function in range $[-1, 1]$ Mar 9 answered Why does the least common denominator work?