यदि (a_n=n(n+2)) है तो \(a_7\) का मान क्या होगा?

If (a_n=n(n+2)) then what is the value of \(a_7\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

D. (63)

Step 1

Concept

\(a_7=7\times9=63\). In exams keep both (n) and (n+2) correct.

Step 2

Why this answer is correct

The correct answer is D. (63). \(a_7=7\times9=63\). In exams keep both (n) and (n+2) correct.

Step 3

Exam Tip

\(a_7=7\times9=63\) है। परीक्षा में (n) और (n+2) दोनों सही रखें।

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Mathematics Answer, Explanation and Revision Hints

यदि (a_n=n(n+2)) है तो \(a_7\) का मान क्या होगा? / If (a_n=n(n+2)) then what is the value of \(a_7\)?

Correct Answer: D. (63). Explanation: \(a_7=7\times9=63\) है। परीक्षा में (n) और (n+2) दोनों सही रखें। / \(a_7=7\times9=63\). In exams keep both (n) and (n+2) correct.

Which concept should I revise for this Mathematics MCQ?

\(a_7=7\times9=63\). In exams keep both (n) and (n+2) correct.

What exam hint can help solve this Mathematics question?

\(a_7=7\times9=63\) है। परीक्षा में (n) और (n+2) दोनों सही रखें।