Messages posted by malkit.vilkhoo@gmail.com

RATE !

DOWNLOAD FREE VEDIC MATHS EASYCAL SERIES OF 30 VIDEOS MATHS TRICKS

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THEN DOWNLOAD VEDIC MATHS.....

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THESE ARE VERY USEFUL TO INCREASE SPEED

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PLEASE RATE!

WHICH ONE

http://www.goiit.com/posts/list/general-free-online-tests-31476.htm

VISIT HERE..

YES OF COURSE...

HERE IS LINK!!!!!!!!!!!!!!!!

http://www.goiit.com/posts/list/community-shelf-download-iit-jee-ebooks-for-free-edited-921993.htm

YAAR PLEASE RATE TO THIS ANSWER

IF USEFUL!!!

OR I TELL U HOW TO RATE?

did u liked?

u should know in which quadrant angle lies

and with what sign convention..

VISIT

www.themathpage.com/aTrig/trigonometric-identities.htm

HERE IT IS--

www.goiit.com/posts/list/community-shelf-download-iit-jee-ebooks-for-free-edited-921993.htm

PLEASE RATE..

Inside an atom there are three kinds of particle: protons, nuetrons and electrons.The nucleus, the tiny core of the atom,contains protons and neutrons.The region beyond the nusleus contains(negatively charged)electrons that balance out the charge of the protons.There are roughly as many protons as neutrons,which is why the atomic weight is about(but not exacly)twice the atomic number.because like charges repel each other,there is always a force trying to push the protons apart.Provided there are not too many protons in the nucleus, other forces can hold the protons together.but if the ratio of protons to neutrons is not within certain limits,protons may not be held firmly together,and they form an unstable nucleus.This is what makes isotopes of some elements radioactive