यदि \(a_1=3\) और \(a_{n+1}=n a_n+2n\) है तो \(a_4\) क्या होगा?

If \(a_1=3\) and \(a_{n+1}=n a_n+2n\), what is \(a_4\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

C. (48)

Step 1

Concept

\(a_2=5\), \(a_3=14\), and \(a_4=48\). Exam tip: multiply by (n) and add (2n) at each step.

Step 2

Why this answer is correct

The correct answer is C. (48). \(a_2=5\), \(a_3=14\), and \(a_4=48\). Exam tip: multiply by (n) and add (2n) at each step.

Step 3

Exam Tip

\(a_2=5\), \(a_3=14\) और \(a_4=48\) है। हर चरण में (n) से गुणा और (2n) जोड़ना है।

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FAQs

Mathematics Answer, Explanation and Revision Hints

यदि \(a_1=3\) और \(a_{n+1}=n a_n+2n\) है तो \(a_4\) क्या होगा? / If \(a_1=3\) and \(a_{n+1}=n a_n+2n\), what is \(a_4\)?

Correct Answer: C. (48). Explanation: \(a_2=5\), \(a_3=14\) और \(a_4=48\) है। हर चरण में (n) से गुणा और (2n) जोड़ना है। / \(a_2=5\), \(a_3=14\), and \(a_4=48\). Exam tip: multiply by (n) and add (2n) at each step.

Which concept should I revise for this Mathematics MCQ?

\(a_2=5\), \(a_3=14\), and \(a_4=48\). Exam tip: multiply by (n) and add (2n) at each step.

What exam hint can help solve this Mathematics question?

\(a_2=5\), \(a_3=14\) और \(a_4=48\) है। हर चरण में (n) से गुणा और (2n) जोड़ना है।