यदि \(a_n=5n^2\) है, तो तीसरा पद क्या होगा?

If \(a_n=5n^2\), what is the third term?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

C. (45)

Step 1

Concept

\(a_3=5\times3^2=45\). In exams, square first and then multiply.

Step 2

Why this answer is correct

The correct answer is C. (45). \(a_3=5\times3^2=45\). In exams, square first and then multiply.

Step 3

Exam Tip

\(a_3=5\times3^2=45\) है। परीक्षा में पहले वर्ग निकालें फिर गुणा करें।

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Mathematics Answer, Explanation and Revision Hints

यदि \(a_n=5n^2\) है, तो तीसरा पद क्या होगा? / If \(a_n=5n^2\), what is the third term?

Correct Answer: C. (45). Explanation: \(a_3=5\times3^2=45\) है। परीक्षा में पहले वर्ग निकालें फिर गुणा करें। / \(a_3=5\times3^2=45\). In exams, square first and then multiply.

Which concept should I revise for this Mathematics MCQ?

\(a_3=5\times3^2=45\). In exams, square first and then multiply.

What exam hint can help solve this Mathematics question?

\(a_3=5\times3^2=45\) है। परीक्षा में पहले वर्ग निकालें फिर गुणा करें।