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

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

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

A. (7)

Step 1

Concept

\(a_3=3\times2-2\times1+1=5\) and \(a_4=3\times5-2\times2+1=12\). The correct option should include (12).

Step 2

Why this answer is correct

The correct answer is A. (7). \(a_3=3\times2-2\times1+1=5\) and \(a_4=3\times5-2\times2+1=12\). The correct option should include (12).

Step 3

Exam Tip

\(a_3=3\times2-2\times1+1=5\) और \(a_4=3\times5-2\times2+1=12\) है। सही विकल्प में (12) होना चाहिए।

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FAQs

Mathematics Answer, Explanation and Revision Hints

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

Correct Answer: A. (7). Explanation: \(a_3=3\times2-2\times1+1=5\) और \(a_4=3\times5-2\times2+1=12\) है। सही विकल्प में (12) होना चाहिए। / \(a_3=3\times2-2\times1+1=5\) and \(a_4=3\times5-2\times2+1=12\). The correct option should include (12).

Which concept should I revise for this Mathematics MCQ?

\(a_3=3\times2-2\times1+1=5\) and \(a_4=3\times5-2\times2+1=12\). The correct option should include (12).

What exam hint can help solve this Mathematics question?

\(a_3=3\times2-2\times1+1=5\) और \(a_4=3\times5-2\times2+1=12\) है। सही विकल्प में (12) होना चाहिए।