अनुक्रम \(2,\frac{5}{2},3,\frac{7}{2},\ldots\) का (n)वाँ पद क्या है?
What is the (n)th term of the sequence \(2,\frac{5}{2},3,\frac{7}{2},\ldots\)?
Explanation opens after your attempt
Correct Answer
A. \(a_n=\frac{n+3}{2}\)
Concept
At (n=1), it gives (2), and at (n=2), it gives \(\frac{5}{2}\). In exams, match a fractional rule with the first two terms.
Why this answer is correct
The correct answer is A. \(a_n=\frac{n+3}{2}\). At (n=1), it gives (2), and at (n=2), it gives \(\frac{5}{2}\). In exams, match a fractional rule with the first two terms.
Exam Tip
(n=1) पर (2) और (n=2) पर \(\frac{5}{2}\) मिलता है। परीक्षा में भिन्न नियम को पहले दो पदों से मिलाएँ।
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