The series 1 +2 +2 ^ 2 +2 ^ 3 + ... ... 2 ^ n can be represented by which formula?(given N=9)
a) (10 ^ 5 +1) (10 ^ 5-1)
b) (10 ^ 5-1) (10 ^ 5-1)
I recollect this question from a mock test at my prep center. I am sorry I don't recollect further option. how do we approach such problems?Do we use GP here?
a) (10 ^ 5 +1) (10 ^ 5-1)
b) (10 ^ 5-1) (10 ^ 5-1)
I recollect this question from a mock test at my prep center. I am sorry I don't recollect further option. how do we approach such problems?Do we use GP here?
