यदि \(a_1=3\), \(a_2=4\) और \(a_n=3a_{n-1}-a_{n-2}+n\) है तो \(a_4\) क्या होगा?

If \(a_1=3\), \(a_2=4\), and \(a_n=3a_{n-1}-a_{n-2}+n\), what is \(a_4\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

C. (36)

Step 1

Concept

\(a_3=3\times4-3+3=12\) and \(a_4=3\times12-4+4=36\). Exam tip: use both previous terms and current (n).

Step 2

Why this answer is correct

The correct answer is C. (36). \(a_3=3\times4-3+3=12\) and \(a_4=3\times12-4+4=36\). Exam tip: use both previous terms and current (n).

Step 3

Exam Tip

\(a_3=3\times4-3+3=12\) और \(a_4=3\times12-4+4=36\) है। दोनों पिछले पदों और वर्तमान (n) का उपयोग करें।

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FAQs

Mathematics Answer, Explanation and Revision Hints

यदि \(a_1=3\), \(a_2=4\) और \(a_n=3a_{n-1}-a_{n-2}+n\) है तो \(a_4\) क्या होगा? / If \(a_1=3\), \(a_2=4\), and \(a_n=3a_{n-1}-a_{n-2}+n\), what is \(a_4\)?

Correct Answer: C. (36). Explanation: \(a_3=3\times4-3+3=12\) और \(a_4=3\times12-4+4=36\) है। दोनों पिछले पदों और वर्तमान (n) का उपयोग करें। / \(a_3=3\times4-3+3=12\) and \(a_4=3\times12-4+4=36\). Exam tip: use both previous terms and current (n).

Which concept should I revise for this Mathematics MCQ?

\(a_3=3\times4-3+3=12\) and \(a_4=3\times12-4+4=36\). Exam tip: use both previous terms and current (n).

What exam hint can help solve this Mathematics question?

\(a_3=3\times4-3+3=12\) और \(a_4=3\times12-4+4=36\) है। दोनों पिछले पदों और वर्तमान (n) का उपयोग करें।