Start learning →

As per your syllabus, 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
As per your syllabus, a = 1, d = 4. tₙ = a + (n − 1)d = 1 + 4(n − 1) = 4n − 3.
Practise this question with Quill — CBSE Class 9 →

Keep practising C9arithmeticprog

Browse all C9arithmeticprog questions for CBSE Class 9, or explore more Mathematics topics.

Start a C9arithmeticprog lesson →
Related questions
Sequences bingoFind the next termComplete the progression rulesOrder the triangular numbersTrue or false about sequencesSequence numbersMatch the sequence ideaAP or GP?