Question

the sum of the series 1+2+4+8........to n term

Answer 1

$<h2>MASTERJI</h2>$




hey mate

for this we use the formula

[n*(n+1)]/2

Answer 2

Answer:

2^n-1

Step-by-step explanation:

Sn=a(r^n-1)/r-1

=1(2^n-1)/2-1

=2^n-1