श्रेणी \(\frac{13}{7},\frac{26}{7},\frac{39}{7},\frac{52}{7},\ldots\) का (n)वां पद क्या है?
What is the (n)th term of the sequence \(\frac{13}{7},\frac{26}{7},\frac{39}{7},\frac{52}{7},\ldots\)?
Explanation opens after your attempt
C. \(\frac{13n}{7}\)
Concept
Each term increases by \(\frac{13}{7}\), so \(a_n=\frac{13n}{7}\). In fractions with a common denominator, observe the numerator pattern.
Why this answer is correct
The correct answer is C. \(\frac{13n}{7}\). Each term increases by \(\frac{13}{7}\), so \(a_n=\frac{13n}{7}\). In fractions with a common denominator, observe the numerator pattern.
Exam Tip
हर पद में \(\frac{13}{7}\) की वृद्धि है इसलिए \(a_n=\frac{13n}{7}\)। समान हर वाले भिन्नों में अंश का पैटर्न देखें।
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