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maheshmeghwal9 Group TitleBest ResponseYou've already chosen the best response.0
http://irodovsolutionsmechanics.blogspot.in/2007/07/problem111.html
 2 years ago

maheshmeghwal9 Group TitleBest ResponseYou've already chosen the best response.0
Please help me understand this.
 2 years ago

mathslover Group TitleBest ResponseYou've already chosen the best response.0
dw:1342517090459:dw
 2 years ago

maheshmeghwal9 Group TitleBest ResponseYou've already chosen the best response.0
k i wanna understand wt he has done after dot product i mean http://1.bp.blogspot.com/_v9nwkZLKggs/RpeUAYuKqCI/AAAAAAAABS0/RzCY7Orzo70/s1600h/1.11_3.JPG
 2 years ago

mathslover Group TitleBest ResponseYou've already chosen the best response.0
dw:1342517323761:dw
 2 years ago

maheshmeghwal9 Group TitleBest ResponseYou've already chosen the best response.0
how u gt the marked one thats was my questiondw:1342517495860:dw
 2 years ago

maheshmeghwal9 Group TitleBest ResponseYou've already chosen the best response.0
so how?
 2 years ago

mathslover Group TitleBest ResponseYou've already chosen the best response.0
http://en.wikipedia.org/wiki/Dot_product have a look here .. u may get ur answer here
 2 years ago

mathslover Group TitleBest ResponseYou've already chosen the best response.0
I have to go for now ... will have a look to it later . @mukushla will help u further
 2 years ago

maheshmeghwal9 Group TitleBest ResponseYou've already chosen the best response.0
but if theta is 90 degree this must be zero then from where did this dw:1342517733888:dw
 2 years ago