how many wheat grains will be there on a chessboard if you place one on the 1st squre and placing 2 times the 'no. of grains on the preceding' on every next square?

Question

anonymous · Answer

its a geometric sequence ..
2^0 + 2^1 + ... + 2^63

anonymous · Answer

do you know the formula for sum of n elements in a geometric sequence ?

anonymous · Answer

oh yeh he is right

anonymous · Answer

nope! you're missing something.

anonymous · Answer

so i dont really understand the question

anonymous · Answer

what do you mean by 'preceding' ? in both directions ?

anonymous · Answer

definetely not! you have done correctly but missed 1 to add. 2^63 + 1

anonymous · Answer

aah sorry i didn't read ur anwer correctly ur right gd job

anonymous · Answer

:)

anonymous · Answer

bhai close kar de question ko