यदि गुणोत्तर श्रेढ़ी में (a=32) और \(r=\frac{1}{2}\) है, तो पहले चार पदों का योग क्या होगा?
If a geometric progression has (a=32) and \(r=\frac{1}{2}\), what is the sum of the first four terms?
Explanation opens after your attempt
Correct Answer
D. (60)
Concept
The first four terms are (32,16,8,4), and the sum is (60). In a decreasing geometric progression write the terms in order.
Why this answer is correct
The correct answer is D. (60). The first four terms are (32,16,8,4), and the sum is (60). In a decreasing geometric progression write the terms in order.
Exam Tip
पहले चार पद (32,16,8,4) हैं और योग (60) है। घटती गुणोत्तर श्रेढ़ी में पद क्रम से लिखें।
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