Question

find the sum of first hundrerd terms of an ap 3,9,15,21,27​

Answer 1

Answer:

a=3

d=6

then Sn =n/2{2a+(n-1)d}

n=100

then

50×(6+594)

= 30000

is the answer

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guys

Answer 2

Answer:

Step-by-step explanation:

d=6,a=3,n=100

Sn=n/2[2a+(n-1)d]

50(600)

30000