PLEASE SOLVE THE ABOVE GIVEN QUESTION.
PLEASE FAST
NO SPAM❌
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PLEASE SOLVE THE ABOVE GIVEN QUESTION.
PLEASE FAST
NO SPAM❌
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Step-by-step explanation:
We know that,
Sn = n/2 × (a + an )
210 = n/2 × (8+62)
210×2/70 = n
n=6
.
.
.
an = a +(n-1)d
62 = 8+(6-1)d
62 = 8+5d
5d = 54
d = 54/5
number of terms,n=6
common difference,d=54/5