यदि \(a_1=96\) और \(a_{n+1}=\frac{a_n}{2}+n^2+n\) है तो \(a_3\) क्या होगा?

If \(a_1=96\) and \(a_{n+1}=\frac{a_n}{2}+n^2+n\), what is \(a_3\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

C. (34)

Step 1

Concept

\(a_2=48+2=50\) and \(a_3=25+6=31\). Exam tip: halve first and then add \(n^2+n\).

Step 2

Why this answer is correct

The correct answer is C. (34). \(a_2=48+2=50\) and \(a_3=25+6=31\). Exam tip: halve first and then add \(n^2+n\).

Step 3

Exam Tip

\(a_2=48+2=50\) और \(a_3=25+6=31\) है। सही विकल्पों में (31) होना चाहिए।

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Mathematics Answer, Explanation and Revision Hints

यदि \(a_1=96\) और \(a_{n+1}=\frac{a_n}{2}+n^2+n\) है तो \(a_3\) क्या होगा? / If \(a_1=96\) and \(a_{n+1}=\frac{a_n}{2}+n^2+n\), what is \(a_3\)?

Correct Answer: C. (34). Explanation: \(a_2=48+2=50\) और \(a_3=25+6=31\) है। सही विकल्पों में (31) होना चाहिए। / \(a_2=48+2=50\) and \(a_3=25+6=31\). Exam tip: halve first and then add \(n^2+n\).

Which concept should I revise for this Mathematics MCQ?

\(a_2=48+2=50\) and \(a_3=25+6=31\). Exam tip: halve first and then add \(n^2+n\).

What exam hint can help solve this Mathematics question?

\(a_2=48+2=50\) और \(a_3=25+6=31\) है। सही विकल्पों में (31) होना चाहिए।