यदि (a=256) और \(r=\frac{1}{2}\) है, तो \(a_9\) का मान क्या होगा?
If (a=256) and \(r=\frac{1}{2}\), what is the value of \(a_9\)?
Explanation opens after your attempt
A. (1)
Concept
(a_9=256\cdot\left\(\frac{1}{2}\right\)8=1). In exams, apply powers of fractional ratios carefully.
Why this answer is correct
The correct answer is A. (1). (a_9=256\cdot\left\(\frac{1}{2}\right\)8=1). In exams, apply powers of fractional ratios carefully.
Exam Tip
(a_9=256\cdot\left\(\frac{1}{2}\right\)8=1) है। परीक्षा में भिन्न अनुपात के घात सावधानी से लगाएँ।
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