यदि \(a_1=2\), \(a_2=5\) और \(a_n=a_{n-1}+a_{n-2}+1\) है तो \(a_5\) क्या होगा?

If \(a_1=2\), \(a_2=5\), and \(a_n=a_{n-1}+a_{n-2}+1\), what is \(a_5\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

C. (22)

Step 1

Concept

The terms are (2,5,8,14,23), so \(a_5=23\). Include the extra (1) at each step.

Step 2

Why this answer is correct

The correct answer is C. (22). The terms are (2,5,8,14,23), so \(a_5=23\). Include the extra (1) at each step.

Step 3

Exam Tip

पद (2,5,8,14,23) नहीं बल्कि \(a_5=23\) है। जोड़ में अतिरिक्त (1) हर चरण शामिल करें।

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Mathematics Answer, Explanation and Revision Hints

यदि \(a_1=2\), \(a_2=5\) और \(a_n=a_{n-1}+a_{n-2}+1\) है तो \(a_5\) क्या होगा? / If \(a_1=2\), \(a_2=5\), and \(a_n=a_{n-1}+a_{n-2}+1\), what is \(a_5\)?

Correct Answer: C. (22). Explanation: पद (2,5,8,14,23) नहीं बल्कि \(a_5=23\) है। जोड़ में अतिरिक्त (1) हर चरण शामिल करें। / The terms are (2,5,8,14,23), so \(a_5=23\). Include the extra (1) at each step.

Which concept should I revise for this Mathematics MCQ?

The terms are (2,5,8,14,23), so \(a_5=23\). Include the extra (1) at each step.

What exam hint can help solve this Mathematics question?

पद (2,5,8,14,23) नहीं बल्कि \(a_5=23\) है। जोड़ में अतिरिक्त (1) हर चरण शामिल करें।