यदि \(a_1=2\) और \(a_{n+1}=a_n^2+a_n+1\) है तो \(a_3\) क्या होगा?

If \(a_1=2\) and \(a_{n+1}=a_n^2+a_n+1\), what is \(a_3\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

C. (57)

Step 1

Concept

\(a_2=4+2+1=7\) and \(a_3=49+7+1=57\). Exam tip: square first, then add the previous term and (1).

Step 2

Why this answer is correct

The correct answer is C. (57). \(a_2=4+2+1=7\) and \(a_3=49+7+1=57\). Exam tip: square first, then add the previous term and (1).

Step 3

Exam Tip

\(a_2=4+2+1=7\) और \(a_3=49+7+1=57\) है। पहले वर्ग करें फिर पिछले पद और (1) जोड़ें।

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FAQs

Mathematics Answer, Explanation and Revision Hints

यदि \(a_1=2\) और \(a_{n+1}=a_n^2+a_n+1\) है तो \(a_3\) क्या होगा? / If \(a_1=2\) and \(a_{n+1}=a_n^2+a_n+1\), what is \(a_3\)?

Correct Answer: C. (57). Explanation: \(a_2=4+2+1=7\) और \(a_3=49+7+1=57\) है। पहले वर्ग करें फिर पिछले पद और (1) जोड़ें। / \(a_2=4+2+1=7\) and \(a_3=49+7+1=57\). Exam tip: square first, then add the previous term and (1).

Which concept should I revise for this Mathematics MCQ?

\(a_2=4+2+1=7\) and \(a_3=49+7+1=57\). Exam tip: square first, then add the previous term and (1).

What exam hint can help solve this Mathematics question?

\(a_2=4+2+1=7\) और \(a_3=49+7+1=57\) है। पहले वर्ग करें फिर पिछले पद और (1) जोड़ें।