यदि \(a_1=64\) और \(a_{n+1}=\frac{a_n}{2}+n^2\) है तो \(a_3\) क्या होगा?
If \(a_1=64\) and \(a_{n+1}=\frac{a_n}{2}+n^2\), what is \(a_3\)?
Explanation opens after your attempt
Correct Answer
B. \(\frac{41}{2}\)
Concept
\(a_2=32+1=33\) and \(a_3=\frac{33}{2}+4=\frac{41}{2}\). Exam tip: keep fractions exact until the end.
Why this answer is correct
The correct answer is B. \(\frac{41}{2}\). \(a_2=32+1=33\) and \(a_3=\frac{33}{2}+4=\frac{41}{2}\). Exam tip: keep fractions exact until the end.
Exam Tip
\(a_2=32+1=33\) और \(a_3=\frac{33}{2}+4=\frac{41}{2}\) है। भिन्न को अंत तक सही रखें।
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