Math, asked by rohitkumar822698, 1 year ago

In an apartment given a=2 and n= 8 and s=192 find d

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Answered by rishi5761

2

Hope it may help you...

Attachments:

Answered by 12345512

1

a=2
n=8
s=192
d=?
sn=n/2(2a+(n-1)×d)
192=8/2(2(2)+(8-1)d
192 =4(4+7d)
192-4=4+7d
188=4+7d
188-4=7d
184=7d
184/7=d

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