यदि \(a_1=2\), \(a_2=6\) और \(a_n=a_{n-1}+3a_{n-2}\) है तो \(a_4\) क्या होगा?

If \(a_1=2\), \(a_2=6\), and \(a_n=a_{n-1}+3a_{n-2}\), what is \(a_4\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

D. (32)

Step 1

Concept

\(a_3=6+3\times2=12\) and \(a_4=12+3\times6=30\). Therefore the correct value is (30).

Step 2

Why this answer is correct

The correct answer is D. (32). \(a_3=6+3\times2=12\) and \(a_4=12+3\times6=30\). Therefore the correct value is (30).

Step 3

Exam Tip

\(a_3=6+3\times2=12\) और \(a_4=12+3\times6=30\) है। इसलिए सही मान (30) है।

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FAQs

Mathematics Answer, Explanation and Revision Hints

यदि \(a_1=2\), \(a_2=6\) और \(a_n=a_{n-1}+3a_{n-2}\) है तो \(a_4\) क्या होगा? / If \(a_1=2\), \(a_2=6\), and \(a_n=a_{n-1}+3a_{n-2}\), what is \(a_4\)?

Correct Answer: D. (32). Explanation: \(a_3=6+3\times2=12\) और \(a_4=12+3\times6=30\) है। इसलिए सही मान (30) है। / \(a_3=6+3\times2=12\) and \(a_4=12+3\times6=30\). Therefore the correct value is (30).

Which concept should I revise for this Mathematics MCQ?

\(a_3=6+3\times2=12\) and \(a_4=12+3\times6=30\). Therefore the correct value is (30).

What exam hint can help solve this Mathematics question?

\(a_3=6+3\times2=12\) और \(a_4=12+3\times6=30\) है। इसलिए सही मान (30) है।