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

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

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

C. (31)

Step 1

Concept

\(a_2=3\), \(a_3=8\), and \(a_4=31\). Exam tip: the multiplier (n+1) changes at each step.

Step 2

Why this answer is correct

The correct answer is C. (31). \(a_2=3\), \(a_3=8\), and \(a_4=31\). Exam tip: the multiplier (n+1) changes at each step.

Step 3

Exam Tip

\(a_2=3\), \(a_3=8\) और \(a_4=31\) है। गुणक (n+1) हर चरण में बदलता है।

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FAQs

Mathematics Answer, Explanation and Revision Hints

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

Correct Answer: C. (31). Explanation: \(a_2=3\), \(a_3=8\) और \(a_4=31\) है। गुणक (n+1) हर चरण में बदलता है। / \(a_2=3\), \(a_3=8\), and \(a_4=31\). Exam tip: the multiplier (n+1) changes at each step.

Which concept should I revise for this Mathematics MCQ?

\(a_2=3\), \(a_3=8\), and \(a_4=31\). Exam tip: the multiplier (n+1) changes at each step.

What exam hint can help solve this Mathematics question?

\(a_2=3\), \(a_3=8\) और \(a_4=31\) है। गुणक (n+1) हर चरण में बदलता है।