Math, asked by sonamsanghavi5, 9 months ago

For the A.P.: 15, 19, 23, ... , find s16

Answers

Answered by frenchfries20

0

Step-by-step explanation:

a=15

d=19-15=4

sn= n/2(2a+(n-1)d)

s16=16/2(2×15+(16-1)4)

8(30+15×4)

8×90

720

hope it helps

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