गुणोत्तर श्रेढ़ी \(4,12,36,108,\ldots\) में \(a_2+a_4\) कितना है?
In the geometric progression \(4,12,36,108,\ldots\), what is \(a_2+a_4\)?
Explanation opens after your attempt
C. (120)
Concept
\(a_2=12\) and \(a_4=108\), so the sum is (120). Find both terms separately and then add.
Why this answer is correct
The correct answer is C. (120). \(a_2=12\) and \(a_4=108\), so the sum is (120). Find both terms separately and then add.
Exam Tip
\(a_2=12\) और \(a_4=108\), इसलिए योग (120) है। दोनों पद अलग निकालकर जोड़ें।
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