2 + 2^1 + 2^2 = 2^3
2^3 + 2^3 = 2^4
2^4 + 2^4 = 2^5 .........
so finally it would be 2^9.
ps: have coloured to show the value at each point of addition of the sequence.
concept courtesy : Cramya
BREAKING: Target Test Prep releases Brand New 2026 On Demand GMAT prep course
Redeem