Medium Mathematics Sequences and Progressions Class 9 Level 41

कौन सा क्रम \(a_n=3n^2\) से बनता है?

Which sequence is formed by \(a_n=3n^2\)?

Explanation opens after your attempt
Correct Answer

B. (3,12,27,48)

Step 1

Concept

Putting (n=1,2,3,4) gives (3,12,27,48). Multiply \(n^2\) by (3).

Step 2

Why this answer is correct

The correct answer is B. (3,12,27,48). Putting (n=1,2,3,4) gives (3,12,27,48). Multiply \(n^2\) by (3).

Step 3

Exam Tip

(n=1,2,3,4) रखने पर (3,12,27,48) मिलते हैं। \(n^2\) को (3) से गुणा करें।

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Mathematics Answer, Explanation and Revision Hints

कौन सा क्रम \(a_n=3n^2\) से बनता है? / Which sequence is formed by \(a_n=3n^2\)?

Correct Answer: B. (3,12,27,48). Explanation: (n=1,2,3,4) रखने पर (3,12,27,48) मिलते हैं। \(n^2\) को (3) से गुणा करें। / Putting (n=1,2,3,4) gives (3,12,27,48). Multiply \(n^2\) by (3).

Which concept should I revise for this Mathematics MCQ?

Putting (n=1,2,3,4) gives (3,12,27,48). Multiply \(n^2\) by (3).

What exam hint can help solve this Mathematics question?

(n=1,2,3,4) रखने पर (3,12,27,48) मिलते हैं। \(n^2\) को (3) से गुणा करें।

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