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

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

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

C. (27)

Step 1

Concept

\(a_3=4\times3-3\times1=9\) and \(a_4=4\times9-3\times3=27\). Exam tip: use both previous terms.

Step 2

Why this answer is correct

The correct answer is C. (27). \(a_3=4\times3-3\times1=9\) and \(a_4=4\times9-3\times3=27\). Exam tip: use both previous terms.

Step 3

Exam Tip

\(a_3=4\times3-3\times1=9\) और \(a_4=4\times9-3\times3=27\) है। दोनों पिछले पदों का उपयोग करें।

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FAQs

Mathematics Answer, Explanation and Revision Hints

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

Correct Answer: C. (27). Explanation: \(a_3=4\times3-3\times1=9\) और \(a_4=4\times9-3\times3=27\) है। दोनों पिछले पदों का उपयोग करें। / \(a_3=4\times3-3\times1=9\) and \(a_4=4\times9-3\times3=27\). Exam tip: use both previous terms.

Which concept should I revise for this Mathematics MCQ?

\(a_3=4\times3-3\times1=9\) and \(a_4=4\times9-3\times3=27\). Exam tip: use both previous terms.

What exam hint can help solve this Mathematics question?

\(a_3=4\times3-3\times1=9\) और \(a_4=4\times9-3\times3=27\) है। दोनों पिछले पदों का उपयोग करें।