कौन सा क्रम \(a_n=5n^2\) से बनता है?

Which sequence is formed by \(a_n=5n^2\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. (5,20,45,80)

Step 1

Concept

Putting (n=1,2,3,4) gives (5,20,45,80). Multiply \(n^2\) by (5).

Step 2

Why this answer is correct

The correct answer is B. (5,20,45,80). Putting (n=1,2,3,4) gives (5,20,45,80). Multiply \(n^2\) by (5).

Step 3

Exam Tip

(n=1,2,3,4) रखने पर (5,20,45,80) मिलते हैं। \(n^2\) को (5) से गुणा करें।

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Mathematics Answer, Explanation and Revision Hints

कौन सा क्रम \(a_n=5n^2\) से बनता है? / Which sequence is formed by \(a_n=5n^2\)?

Correct Answer: B. (5,20,45,80). Explanation: (n=1,2,3,4) रखने पर (5,20,45,80) मिलते हैं। \(n^2\) को (5) से गुणा करें। / Putting (n=1,2,3,4) gives (5,20,45,80). Multiply \(n^2\) by (5).

Which concept should I revise for this Mathematics MCQ?

Putting (n=1,2,3,4) gives (5,20,45,80). Multiply \(n^2\) by (5).

What exam hint can help solve this Mathematics question?

(n=1,2,3,4) रखने पर (5,20,45,80) मिलते हैं। \(n^2\) को (5) से गुणा करें।