Question

a=3 ,n=8, a=193 find d​

Answer 1

Answer:

Given a=3,n=8,S=192

By using Sn​=2n​[2a+(n−1)d] we have,

S8​=28​(6+d(8−1)=4(6+7d)

⇒4192​=48=6+7d

⇒7d=42

⇒d=6

Step-by-step explanation:

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Answer 2

a=3 n=8 an_=193 d=?
So an_=a+(n-1)d
193=3+(8-1)d
190=7d
d=190/7
So d=27.142