अनुक्रम \(5,20,45,80,\ldots\) का (n)वाँ पद क्या है?

What is the (n)th term of the sequence \(5,20,45,80,\ldots\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

A. \(a_n=5n^2\)

Step 1

Concept

At (n=1,2,3,4), it gives (5,20,45,80). In exams, recognize square-based multiples.

Step 2

Why this answer is correct

The correct answer is A. \(a_n=5n^2\). At (n=1,2,3,4), it gives (5,20,45,80). In exams, recognize square-based multiples.

Step 3

Exam Tip

(n=1,2,3,4) पर (5,20,45,80) मिलते हैं। परीक्षा में वर्ग आधारित गुणजों को पहचानें।

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Mathematics Answer, Explanation and Revision Hints

अनुक्रम \(5,20,45,80,\ldots\) का (n)वाँ पद क्या है? / What is the (n)th term of the sequence \(5,20,45,80,\ldots\)?

Correct Answer: A. \(a_n=5n^2\). Explanation: (n=1,2,3,4) पर (5,20,45,80) मिलते हैं। परीक्षा में वर्ग आधारित गुणजों को पहचानें। / At (n=1,2,3,4), it gives (5,20,45,80). In exams, recognize square-based multiples.

Which concept should I revise for this Mathematics MCQ?

At (n=1,2,3,4), it gives (5,20,45,80). In exams, recognize square-based multiples.

What exam hint can help solve this Mathematics question?

(n=1,2,3,4) पर (5,20,45,80) मिलते हैं। परीक्षा में वर्ग आधारित गुणजों को पहचानें।