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Per NCERT, in the AP 1, 5, 9, 13, 17, ..., what is the FORMULA for the nth term?
Atₙ = 4n − 3
Btₙ = 4n + 1
Ctₙ = 4n
Dtₙ = n + 4
Answer & Solution
Correct answer: A. tₙ = 4n − 3
Per NCERT, a = 1, d = 4. tₙ = a + (n − 1)d = 1 + 4(n − 1) = 4n − 3.
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