in an arithmetic progression if a of n = 5n - 2 find the 12th term
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Step-by-step explanation:
an=5n-2
put n=1
a1=5(1)-2=3
a2=5(2)-2=8
d=a2-a1=8-3=5
an=a+(n-1)d
a12=3+(12-1)5
a12=3+55=58
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