Math, asked by nehakeshri9315, 1 year ago

The sum of the series 5 + 9 + 13 + 17 + .... + 45 Is

Answers

Answered by zayan668
0
1+4=5.
5+4=9
9+4=13
13+4=17
17+4=21
thanks mark as BRAINLY
Answered by prayankkr
0

Answer: 275


Step-by-step explanation:5+9+13+17+.....+45

here d=4

we can find no. of terms by:

tn=a +(n-1)d

45 = 5+(n-1)4

n=11

Sum(Sn)=n/2(a+l) where lis last term

Thus, by solving Sn is 275.



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