यदि \(a_1=2\), \(a_2=5\) और \(a_n=a_{n-1}+a_{n-2}+1\) है तो \(a_4\) क्या होगा?

If \(a_1=2\), \(a_2=5\), and \(a_n=a_{n-1}+a_{n-2}+1\), what is \(a_4\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

D. (14)

Step 1

Concept

\(a_3=5+2+1=8\) and \(a_4=8+5+1=14\). Exam tip: add (1) along with the previous two terms.

Step 2

Why this answer is correct

The correct answer is D. (14). \(a_3=5+2+1=8\) and \(a_4=8+5+1=14\). Exam tip: add (1) along with the previous two terms.

Step 3

Exam Tip

\(a_3=5+2+1=8\) और \(a_4=8+5+1=14\) है। पिछले दो पदों के साथ (1) भी जोड़ें।

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FAQs

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 \(a_4\) क्या होगा? / If \(a_1=2\), \(a_2=5\), and \(a_n=a_{n-1}+a_{n-2}+1\), what is \(a_4\)?

Correct Answer: D. (14). Explanation: \(a_3=5+2+1=8\) और \(a_4=8+5+1=14\) है। पिछले दो पदों के साथ (1) भी जोड़ें। / \(a_3=5+2+1=8\) and \(a_4=8+5+1=14\). Exam tip: add (1) along with the previous two terms.

Which concept should I revise for this Mathematics MCQ?

\(a_3=5+2+1=8\) and \(a_4=8+5+1=14\). Exam tip: add (1) along with the previous two terms.

What exam hint can help solve this Mathematics question?

\(a_3=5+2+1=8\) और \(a_4=8+5+1=14\) है। पिछले दो पदों के साथ (1) भी जोड़ें।