Actually I am poor in maths, so I dint get the 3rd & 4th explanation :-( Share with your friends Share 0 Payal Jain answered this its very simple see or listen carefully. 4 View Full Answer Varsha Sweet answered this see it part by part....pause at times when u dnt understand........i hope u will get it then.......hope it will help u! 3 mahiwal answered this sahi bola.... 0