Question

Calculati: a) S=2^14+2^16+2^18=
b)S=3^15+3^16+3^17= pls

Answer 1

a) S=2^14+2^16+2^18=2^14×(2^0+2^2+2^4)=2^14×(1+4+16)=2^14×21=
=344064

b)S=3^15+3^16+3^17= 3^15(3^0+3^1+3^2)= 3^15×(1+3+9)=3^15×13= 
=186535791