यदि \(a_1=5\) और (a_{n+1}=(n+2)a_n-1) है तो \(a_4\) क्या होगा?

If \(a_1=5\) and (a_{n+1}=(n+2)a_n-1), what is \(a_4\)?

Author: Muft Shiksha Editorial Team Published: Updated:
Explanation opens after your attempt
Correct Answer

B. (274)

Step 1

Concept

\(a_2=14\), \(a_3=55\), and \(a_4=274\). Exam tip: the multiplier (n+2) changes.

Step 2

Why this answer is correct

The correct answer is B. (274). \(a_2=14\), \(a_3=55\), and \(a_4=274\). Exam tip: the multiplier (n+2) changes.

Step 3

Exam Tip

\(a_2=14\), \(a_3=55\) और \(a_4=274\) है। गुणक (n+2) बदलता है।

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FAQs

Mathematics Answer, Explanation and Revision Hints

यदि \(a_1=5\) और (a_{n+1}=(n+2)a_n-1) है तो \(a_4\) क्या होगा? / If \(a_1=5\) and (a_{n+1}=(n+2)a_n-1), what is \(a_4\)?

Correct Answer: B. (274). Explanation: \(a_2=14\), \(a_3=55\) और \(a_4=274\) है। गुणक (n+2) बदलता है। / \(a_2=14\), \(a_3=55\), and \(a_4=274\). Exam tip: the multiplier (n+2) changes.

Which concept should I revise for this Mathematics MCQ?

\(a_2=14\), \(a_3=55\), and \(a_4=274\). Exam tip: the multiplier (n+2) changes.

What exam hint can help solve this Mathematics question?

\(a_2=14\), \(a_3=55\) और \(a_4=274\) है। गुणक (n+2) बदलता है।