यदि \(a_1=5\) और \(a_{n+1}=a_n+\frac{n}{2}\) है तो \(a_5\) क्या होगा?
If \(a_1=5\) and \(a_{n+1}=a_n+\frac{n}{2}\), what is \(a_5\)?
Explanation opens after your attempt
Correct Answer
B. (10)
Concept
\(a_5=5+\frac{1+2+3+4}{2}=10\). Exam tip: add the numerators first in fractional increments.
Why this answer is correct
The correct answer is B. (10). \(a_5=5+\frac{1+2+3+4}{2}=10\). Exam tip: add the numerators first in fractional increments.
Exam Tip
\(a_5=5+\frac{1+2+3+4}{2}=10\) है। भिन्न जोड़ में अंशों को पहले जोड़ें।
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