श्रेणी \(\frac{9}{5},\frac{18}{5},\frac{27}{5},\frac{36}{5},\ldots\) का (n)वां पद क्या है?
What is the (n)th term of the sequence \(\frac{9}{5},\frac{18}{5},\frac{27}{5},\frac{36}{5},\ldots\)?
Explanation opens after your attempt
C. \(\frac{9n}{5}\)
Concept
Each term increases by \(\frac{9}{5}\), so \(a_n=\frac{9n}{5}\). In fractions with a common denominator, observe the numerator pattern.
Why this answer is correct
The correct answer is C. \(\frac{9n}{5}\). Each term increases by \(\frac{9}{5}\), so \(a_n=\frac{9n}{5}\). In fractions with a common denominator, observe the numerator pattern.
Exam Tip
हर पद में \(\frac{9}{5}\) की वृद्धि है इसलिए \(a_n=\frac{9n}{5}\)। समान हर वाले भिन्नों में अंश का पैटर्न देखें।
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