यदि \(a_1=2\), \(a_2=3\) और \(a_n=a_{n-1}+a_{n-2}+2n\) है तो \(a_4\) क्या होगा?

If \(a_1=2\), \(a_2=3\), and \(a_n=a_{n-1}+a_{n-2}+2n\), what is \(a_4\)?

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

A. (19)

Step 1

Concept

\(a_3=3+2+6=11\) and \(a_4=11+3+8=22\). The correct option should include (22).

Step 2

Why this answer is correct

The correct answer is A. (19). \(a_3=3+2+6=11\) and \(a_4=11+3+8=22\). The correct option should include (22).

Step 3

Exam Tip

\(a_3=3+2+6=11\) और \(a_4=11+3+8=22\) नहीं बल्कि (22) है। सही विकल्प में (22) होना चाहिए।

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FAQs

Mathematics Answer, Explanation and Revision Hints

यदि \(a_1=2\), \(a_2=3\) और \(a_n=a_{n-1}+a_{n-2}+2n\) है तो \(a_4\) क्या होगा? / If \(a_1=2\), \(a_2=3\), and \(a_n=a_{n-1}+a_{n-2}+2n\), what is \(a_4\)?

Correct Answer: A. (19). Explanation: \(a_3=3+2+6=11\) और \(a_4=11+3+8=22\) नहीं बल्कि (22) है। सही विकल्प में (22) होना चाहिए। / \(a_3=3+2+6=11\) and \(a_4=11+3+8=22\). The correct option should include (22).

Which concept should I revise for this Mathematics MCQ?

\(a_3=3+2+6=11\) and \(a_4=11+3+8=22\). The correct option should include (22).

What exam hint can help solve this Mathematics question?

\(a_3=3+2+6=11\) और \(a_4=11+3+8=22\) नहीं बल्कि (22) है। सही विकल्प में (22) होना चाहिए।