Question

F ind the squares of 95 and 305 without actually multiplying them two times. can you explain the solution of the above qeustion clearly

Answer 1

yes
we can write 95^(2) as
  (100-5)^(2)
now apply binomial theorem so at last we can find the sol. without  actually multiplying
  but for these type of que. you must know about index no.