यदि \(a_1=\frac{7}{4}\) और (r=2) है, तो \(a_4\) क्या होगा?
If \(a_1=\frac{7}{4}\) and (r=2), what is \(a_4\)?
Explanation opens after your attempt
D. (14)
Concept
\(a_4=\frac{7}{4}\cdot2^3=14\). Multiply the power carefully with the fractional first term.
Why this answer is correct
The correct answer is D. (14). \(a_4=\frac{7}{4}\cdot2^3=14\). Multiply the power carefully with the fractional first term.
Exam Tip
\(a_4=\frac{7}{4}\cdot2^3=14\)। भिन्न पहले पद के साथ घात को सावधानी से गुणा करें।
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