Find the sum of each of the following.
1 + 5 + 9 + … + 49 + 53

with solution po please...................................................................................................

1
Sn=14/2(2(1)+(14-1)4) then 7(2+(13)4) then 7(2+52) then multiply 7×54 so that the Sn=378

Answers

2016-07-20T23:17:30+08:00
By using the second formula of arithmetic series. Sn={n/2(2(A1)+(n-1)d}

Sn={53/2(2(1)+(53-1)4}
Sn={53/2(2+(53)4}
Sn={53/2(2+212)}
Sn={53/2(214)}
Sn=53(17)
Sn=901
0
maraming maraming maraming salamaattt!!!
wait Im sorry. its actually 53(107) multiply it. Sorry
its actually 5671
waaaa okay im dead .____. my answer is wrong
Sn=14/2(2(1)+(14-1)4) then 7(2+13•4) then 7•54 so the Sn=378