यदि \(a_1=2\) और \(a_{n+1}=n a_n+1\) है तो \(a_4\) क्या होगा?

If \(a_1=2\) and \(a_{n+1}=n a_n+1\), what is \(a_4\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. (16)

Step 1

Concept

\(a_2=1\times2+1=3\), \(a_3=2\times3+1=7\), and \(a_4=3\times7+1=22\). The correct option should include (22).

Step 2

Why this answer is correct

The correct answer is B. (16). \(a_2=1\times2+1=3\), \(a_3=2\times3+1=7\), and \(a_4=3\times7+1=22\). The correct option should include (22).

Step 3

Exam Tip

\(a_2=1\times2+1=3\), \(a_3=2\times3+1=7\) और \(a_4=3\times7+1=22\) है। सही विकल्प में (22) होना चाहिए।

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FAQs

Mathematics Answer, Explanation and Revision Hints

यदि \(a_1=2\) और \(a_{n+1}=n a_n+1\) है तो \(a_4\) क्या होगा? / If \(a_1=2\) and \(a_{n+1}=n a_n+1\), what is \(a_4\)?

Correct Answer: B. (16). Explanation: \(a_2=1\times2+1=3\), \(a_3=2\times3+1=7\) और \(a_4=3\times7+1=22\) है। सही विकल्प में (22) होना चाहिए। / \(a_2=1\times2+1=3\), \(a_3=2\times3+1=7\), and \(a_4=3\times7+1=22\). The correct option should include (22).

Which concept should I revise for this Mathematics MCQ?

\(a_2=1\times2+1=3\), \(a_3=2\times3+1=7\), and \(a_4=3\times7+1=22\). The correct option should include (22).

What exam hint can help solve this Mathematics question?

\(a_2=1\times2+1=3\), \(a_3=2\times3+1=7\) और \(a_4=3\times7+1=22\) है। सही विकल्प में (22) होना चाहिए।