अनुक्रम \(3,8,15,24,\ldots\) का (n)वाँ पद कौन-सा है?
What is the (n)th term of the sequence \(3,8,15,24,\ldots\)?
Explanation opens after your attempt
B. \(n^2+2\)
Concept
The rule \(n^2+2n\) gives (3,8,15,24). Choose the option that matches all first terms.
Why this answer is correct
The correct answer is B. \(n^2+2\). The rule \(n^2+2n\) gives (3,8,15,24). Choose the option that matches all first terms.
Exam Tip
पद \(1^2+2,2^2+4\) नहीं; सही पैटर्न \(n^2+2n\) से (3,8,15,24) मिलता है। विकल्प में \(n^2+2n\) चुनें।
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