यदि \(a_1=8\) और \(a_{n+1}=3a_n+n\) है तो \(a_3\) क्या होगा?

If \(a_1=8\) and \(a_{n+1}=3a_n+n\), what is \(a_3\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

C. (79)

Step 1

Concept

\(a_2=3\times8+1=25\) and \(a_3=3\times25+2=77\). Therefore the correct value is (77).

Step 2

Why this answer is correct

The correct answer is C. (79). \(a_2=3\times8+1=25\) and \(a_3=3\times25+2=77\). Therefore the correct value is (77).

Step 3

Exam Tip

\(a_2=3\times8+1=25\) और \(a_3=3\times25+2=77\) है। इसलिए सही मान (77) है।

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FAQs

Mathematics Answer, Explanation and Revision Hints

यदि \(a_1=8\) और \(a_{n+1}=3a_n+n\) है तो \(a_3\) क्या होगा? / If \(a_1=8\) and \(a_{n+1}=3a_n+n\), what is \(a_3\)?

Correct Answer: C. (79). Explanation: \(a_2=3\times8+1=25\) और \(a_3=3\times25+2=77\) है। इसलिए सही मान (77) है। / \(a_2=3\times8+1=25\) and \(a_3=3\times25+2=77\). Therefore the correct value is (77).

Which concept should I revise for this Mathematics MCQ?

\(a_2=3\times8+1=25\) and \(a_3=3\times25+2=77\). Therefore the correct value is (77).

What exam hint can help solve this Mathematics question?

\(a_2=3\times8+1=25\) और \(a_3=3\times25+2=77\) है। इसलिए सही मान (77) है।