नियम \(a_n=3n^2+4n\) से \(a_6\) क्या होगा?
What will \(a_6\) be for the rule \(a_n=3n^2+4n\)?
Explanation opens after your attempt
C. (132)
Concept
Putting (n=6), (a_6=3\(6^2\)+4(6)=132). Handle both the square and multiplication carefully.
Why this answer is correct
The correct answer is C. (132). Putting (n=6), (a_6=3\(6^2\)+4(6)=132). Handle both the square and multiplication carefully.
Exam Tip
(n=6) रखने पर (a_6=3\(6^2\)+4(6)=132) है। वर्ग और गुणा दोनों सावधानी से करें।
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