यदि \(a_n=3n+4\) है, तो \(a_7\) का मान क्या होगा?
If \(a_n=3n+4\), what will be the value of \(a_7\)?
Explanation opens after your attempt
C. (25)
Concept
Putting (n=7), (a_7=3(7)+4=25). Substitute the correct value of (n) in the rule.
Why this answer is correct
The correct answer is C. (25). Putting (n=7), (a_7=3(7)+4=25). Substitute the correct value of (n) in the rule.
Exam Tip
(n=7) रखने पर (a_7=3(7)+4=25) मिलता है। नियम में (n) का सही मान रखें।
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