it isn't an error. i added a^2 + b^2 to both sides
-ab = -ab
a^2 + b^2 - ab = a^2 + b^2 - ab
a^2 - a^2 - ab = b^2 - b^2 - ab
also a^2 - a^2 = 0 & b^2 - b^2 = 0, so adding that doesn't make a difference
in 1 post in the puzzles community on (nowadays inactive)orkut, i remember doing it. it involved the usage of double factorials too. ex 7! = 1*3*5*7 = 105, 8! = 2*4*6*8 = 384, etc
i was able to find the solutions of all numbers from 1 to about 150 using the double factorial thing alongwith...
All numbers are equal :D
heres the latest proof and it doesn't involve 0 anywhere. no term like (a-b) is involved unlike other similar proofs
-ab = -ab
=> a^2 - a^2 - ab = b^2 - b^2 - ab
=> a^2 - a(a+b) = b^2 - b(a+b)
=> a^2 - a(a+b) + (a+b)^2/4 = b^2 - b(a+b) + (a+b)^2/4
as (x-y)^2 = x^2 -...
himanshu,
thanks for ur reply. i c the rules of this forum. what i want to know was some tips on how to study physics.
also what books u used to study physics ? HC Verma ? SL Gupta ? Resnick-Halliday ? Interactive Physics ? or any other
no matter how hard i try, but i am not able to study physics.
i have the IIT JEE exams in 2004, and my physics isn't even to the basic level.
can anybody help me on how to study physics [?]