Find the sum of first 32 terms of an ap 5 + 8 + 11 +
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Explanation:
First term of the AP is 5.
Common difference of the AP is (8-5) =3
The sum of AP is given by the formula=(n/2) (2a+(n-1) d).
Where,
n= number of terms.
a= first term.
d= common difference.
Sum of first 32 term is= (32/2)( (5×2) +(32-1) ×3) =16(10+93) =16×103=1648.
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