यदि \(a_n=18-4n\) है, तो \(a_3\) का मान क्या होगा?
If \(a_n=18-4n\), what is the value of \(a_3\)?
Explanation opens after your attempt
C. (6)
Concept
\(a_3=18-12=6\). In exams, subtract (4n) correctly in a decreasing rule.
Why this answer is correct
The correct answer is C. (6). \(a_3=18-12=6\). In exams, subtract (4n) correctly in a decreasing rule.
Exam Tip
\(a_3=18-12=6\) है। परीक्षा में घटते नियम में (4n) सही घटाएँ।
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