Guys here is ur problem solved ….
I’m Atrajit Sarkar …. Read in ISI coaching and also reading BSC in maths from Belur Vidhyamandir ….
Here u can post different kind of problems of maths….
Some times I here open contests of maths inspired by http://www.brilliant.org
So u can also find interesting puzzles in the apps available in play store.
I also upload sample question papers that may help ur class education…
U send here questions that u r facing I tried to solve them .. …
Eau dé Mathematica 