यदि \(a_1=5\) और \(a_{n+1}=2a_n+3n\) है तो \(a_5\) क्या होगा?

If \(a_1=5\) and \(a_{n+1}=2a_n+3n\), what will \(a_5\) be?

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

C. (139)

Step 1

Concept

The terms are (5,13,32,73,158), so \(a_5=158\). Therefore none of the given options is correct.

Step 2

Why this answer is correct

The correct answer is C. (139). The terms are (5,13,32,73,158), so \(a_5=158\). Therefore none of the given options is correct.

Step 3

Exam Tip

पद (5,13,32,73,158) नहीं बल्कि \(a_5=158\) होता है। इसलिए दिए गए विकल्पों में सही उत्तर नहीं है।

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Mathematics Answer, Explanation and Revision Hints

यदि \(a_1=5\) और \(a_{n+1}=2a_n+3n\) है तो \(a_5\) क्या होगा? / If \(a_1=5\) and \(a_{n+1}=2a_n+3n\), what will \(a_5\) be?

Correct Answer: C. (139). Explanation: पद (5,13,32,73,158) नहीं बल्कि \(a_5=158\) होता है। इसलिए दिए गए विकल्पों में सही उत्तर नहीं है। / The terms are (5,13,32,73,158), so \(a_5=158\). Therefore none of the given options is correct.

Which concept should I revise for this Mathematics MCQ?

The terms are (5,13,32,73,158), so \(a_5=158\). Therefore none of the given options is correct.

What exam hint can help solve this Mathematics question?

पद (5,13,32,73,158) नहीं बल्कि \(a_5=158\) होता है। इसलिए दिए गए विकल्पों में सही उत्तर नहीं है।