write it in form of a^3+b^3 as (3x)^3 + (2x)^3 now apply identity and open it
July 2, 2015
Q. A water pump lift 9kg of water through a vertical height of 3.5 m in 10 minute .calculate the power of the pump?
December 1, 2011
did you completed your dinner
December 18, 2010