2+2^2+2^+......+2^9=? Choose one:
A) 2044	B) 1022	C) 1056	D) 1065	E) None of them
This is a G.P. in which a=2, r=2^2/2=2 and n=9   S^n=a(r^n -1)/(r-1)   =2x(2^9-1)/(2-1)   =2x(512-1)=2x511   =1022   Answer is 1022
<result>B</result>
2+2^2+2^+......+2^9=?