Question

For an AP, a3 = 7, d = 4, sn = 740, find n and an



Plz solve full Q3 ​

Answer 1

REFERRED TO ABOVE ATTACHMENT ✌✌✌

Answer 2

$\huge\sf\green{Given}$

$a_3 = 7 , d = 4 , s_n = 740$

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Referred to the attached photo ✌✌