if 2,6,10,14,18...is a-4b AP then its n th term is
(1)4n-2
(2) 4n+2
(3)4n-3
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Step-by-step explanation:
a = 2
d = 4 ( 6-2 = 4 )
nth term = a + ( n-1 ) d
= 2 + ( n-1 ) 4
= 2 + 4n - 4
= 4n - 2.....1st option
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