यदि \(a_n=3n^2+n+2\) है तो \(a_{14}\) का मान क्या होगा?

If \(a_n=3n^2+n+2\), what will be the value of \(a_{14}\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. (604)

Step 1

Concept

\(a_{14}=3\times14^2+14+2=604\). Exam tip: square first, then multiply and add.

Step 2

Why this answer is correct

The correct answer is B. (604). \(a_{14}=3\times14^2+14+2=604\). Exam tip: square first, then multiply and add.

Step 3

Exam Tip

\(a_{14}=3\times14^2+14+2=604\) है। वर्ग निकालने के बाद गुणा और जोड़ करें।

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Mathematics Answer, Explanation and Revision Hints

यदि \(a_n=3n^2+n+2\) है तो \(a_{14}\) का मान क्या होगा? / If \(a_n=3n^2+n+2\), what will be the value of \(a_{14}\)?

Correct Answer: B. (604). Explanation: \(a_{14}=3\times14^2+14+2=604\) है। वर्ग निकालने के बाद गुणा और जोड़ करें। / \(a_{14}=3\times14^2+14+2=604\). Exam tip: square first, then multiply and add.

Which concept should I revise for this Mathematics MCQ?

\(a_{14}=3\times14^2+14+2=604\). Exam tip: square first, then multiply and add.

What exam hint can help solve this Mathematics question?

\(a_{14}=3\times14^2+14+2=604\) है। वर्ग निकालने के बाद गुणा और जोड़ करें।