नियम \(a_n=n^2+4n\) से \(a_6\) क्या होगा?
What will \(a_6\) be for the rule \(a_n=n^2+4n\)?
Explanation opens after your attempt
C. (60)
Concept
Putting (n=6), (a_6=62+4(6)=60). Handle both the square and multiplication carefully.
Why this answer is correct
The correct answer is C. (60). Putting (n=6), (a_6=62+4(6)=60). Handle both the square and multiplication carefully.
Exam Tip
(n=6) रखने पर (a_6=62+4(6)=60) है। वर्ग और गुणा दोनों सावधानी से करें।
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