यदि \(a_n=n^2+6n+5\) है तो कौन सा पद (252) है?

If \(a_n=n^2+6n+5\), which term is (252)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

C. (13)वाँ(13)th

Step 1

Concept

\(13^2+6\times13+5=252\), so it is the (13)th term. Exam tip: substitute options directly into the formula.

Step 2

Why this answer is correct

The correct answer is C. (13)वाँ / (13)th. \(13^2+6\times13+5=252\), so it is the (13)th term. Exam tip: substitute options directly into the formula.

Step 3

Exam Tip

\(13^2+6\times13+5=252\) इसलिए यह (13)वाँ पद है। विकल्पों को सीधे सूत्र में रखकर जाँचें।

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Mathematics Answer, Explanation and Revision Hints

यदि \(a_n=n^2+6n+5\) है तो कौन सा पद (252) है? / If \(a_n=n^2+6n+5\), which term is (252)?

Correct Answer: C. (13)वाँ / (13)th. Explanation: \(13^2+6\times13+5=252\) इसलिए यह (13)वाँ पद है। विकल्पों को सीधे सूत्र में रखकर जाँचें। / \(13^2+6\times13+5=252\), so it is the (13)th term. Exam tip: substitute options directly into the formula.

Which concept should I revise for this Mathematics MCQ?

\(13^2+6\times13+5=252\), so it is the (13)th term. Exam tip: substitute options directly into the formula.

What exam hint can help solve this Mathematics question?

\(13^2+6\times13+5=252\) इसलिए यह (13)वाँ पद है। विकल्पों को सीधे सूत्र में रखकर जाँचें।