(2-1)(1+2+2²+2³+…… +2 62nd power + 2 63rd power =?

(2-1)(1+2+2²+2³+…… +2 62nd power + 2 63rd power =?

Summation formula with equal ratio sequence
Sn=a1(1-q^n)/(1-q)
1-Q and (2-1) elimination
The 64th power of 2 minus one