यदि \(a_n=2n^2-n+1\) है, तो कौन-सा कथन सही है?

If \(a_n=2n^2-n+1\), which statement is correct?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

A. \(a_2=7\) और \(a_3=16\)\(a_2=7\) and \(a_3=16\)

Step 1

Concept

\(a_2=8-2+1=7\) and \(a_3=18-3+1=16\). In exams, use a separate value of (n) for each term.

Step 2

Why this answer is correct

The correct answer is A. \(a_2=7\) और \(a_3=16\) / \(a_2=7\) and \(a_3=16\). \(a_2=8-2+1=7\) and \(a_3=18-3+1=16\). In exams, use a separate value of (n) for each term.

Step 3

Exam Tip

\(a_2=8-2+1=7\) और \(a_3=18-3+1=16\) है। परीक्षा में प्रत्येक पद के लिए (n) का अलग मान रखें।

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FAQs

Mathematics Answer, Explanation and Revision Hints

यदि \(a_n=2n^2-n+1\) है, तो कौन-सा कथन सही है? / If \(a_n=2n^2-n+1\), which statement is correct?

Correct Answer: A. \(a_2=7\) और \(a_3=16\) / \(a_2=7\) and \(a_3=16\). Explanation: \(a_2=8-2+1=7\) और \(a_3=18-3+1=16\) है। परीक्षा में प्रत्येक पद के लिए (n) का अलग मान रखें। / \(a_2=8-2+1=7\) and \(a_3=18-3+1=16\). In exams, use a separate value of (n) for each term.

Which concept should I revise for this Mathematics MCQ?

\(a_2=8-2+1=7\) and \(a_3=18-3+1=16\). In exams, use a separate value of (n) for each term.

What exam hint can help solve this Mathematics question?

\(a_2=8-2+1=7\) और \(a_3=18-3+1=16\) है। परीक्षा में प्रत्येक पद के लिए (n) का अलग मान रखें।