यदि \(a_1=1\), \(a_2=3\) और \(a_n=2a_{n-1}+a_{n-2}\) है तो \(a_5\) क्या होगा?

If \(a_1=1\), \(a_2=3\), and \(a_n=2a_{n-1}+a_{n-2}\), what is \(a_5\)?

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

B. (17)

Step 1

Concept

The terms are (1,3,7,17,41), so \(a_5=41\). The listed options do not include \(a_5\).

Step 2

Why this answer is correct

The correct answer is B. (17). The terms are (1,3,7,17,41), so \(a_5=41\). The listed options do not include \(a_5\).

Step 3

Exam Tip

पद (1,3,7,17,41) नहीं बल्कि \(a_4=17\) और \(a_5=41\) है। दिए गए विकल्पों में \(a_5\) नहीं है।

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FAQs

Mathematics Answer, Explanation and Revision Hints

यदि \(a_1=1\), \(a_2=3\) और \(a_n=2a_{n-1}+a_{n-2}\) है तो \(a_5\) क्या होगा? / If \(a_1=1\), \(a_2=3\), and \(a_n=2a_{n-1}+a_{n-2}\), what is \(a_5\)?

Correct Answer: B. (17). Explanation: पद (1,3,7,17,41) नहीं बल्कि \(a_4=17\) और \(a_5=41\) है। दिए गए विकल्पों में \(a_5\) नहीं है। / The terms are (1,3,7,17,41), so \(a_5=41\). The listed options do not include \(a_5\).

Which concept should I revise for this Mathematics MCQ?

The terms are (1,3,7,17,41), so \(a_5=41\). The listed options do not include \(a_5\).

What exam hint can help solve this Mathematics question?

पद (1,3,7,17,41) नहीं बल्कि \(a_4=17\) और \(a_5=41\) है। दिए गए विकल्पों में \(a_5\) नहीं है।