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

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

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

B. (34)

Step 1

Concept

\(a_3=11\) and \(a_4=34\). Exam tip: do not forget to add the current (n) in a two-term rule.

Step 2

Why this answer is correct

The correct answer is B. (34). \(a_3=11\) and \(a_4=34\). Exam tip: do not forget to add the current (n) in a two-term rule.

Step 3

Exam Tip

\(a_3=11\) और \(a_4=34\) है। दो-पद नियम में वर्तमान (n) भी जोड़ना न भूलें।

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Mathematics Answer, Explanation and Revision Hints

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

Correct Answer: B. (34). Explanation: \(a_3=11\) और \(a_4=34\) है। दो-पद नियम में वर्तमान (n) भी जोड़ना न भूलें। / \(a_3=11\) and \(a_4=34\). Exam tip: do not forget to add the current (n) in a two-term rule.

Which concept should I revise for this Mathematics MCQ?

\(a_3=11\) and \(a_4=34\). Exam tip: do not forget to add the current (n) in a two-term rule.

What exam hint can help solve this Mathematics question?

\(a_3=11\) और \(a_4=34\) है। दो-पद नियम में वर्तमान (n) भी जोड़ना न भूलें।