Answer:
191
Explanation:
Since it's an A.P, the formular = a+(n-1)d
a = first term = 5
n = 63
d = common difference
After, putting the values, you'll have that:
T63= 5+(63-1)3
T63= 5+(62)3
T63= 5+ 186
T63= 191
An = a1 + (n-1)d
An = 5 + (63-1)3 = 191
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