Start learning →

Which formula defines an AP for positive integers n?

Aaₙ=1/n
Baₙ=3n−2
Caₙ=n²+1
Daₙ=2ⁿ
Answer & Solution
Correct answer: B. aₙ=3n−2
Increasing n by one in 3n−2 increases the term by the constant 3.
Practise this question with Quill — ICSE Class 10 →

Keep practising Arithmetic & Geometric Progressions

Browse all Arithmetic & Geometric Progressions questions for ICSE Class 10, or explore more Mathematics topics.

Start a Arithmetic & Geometric Progressions lesson →