यदि \(a_1=2\) और \(a_{n+1}=a_n+5n-1\) है तो \(a_4\) क्या होगा?

If \(a_1=2\) and \(a_{n+1}=a_n+5n-1\), what is \(a_4\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

D. (29)

Step 1

Concept

The terms are (2,6,15,29), so \(a_4=29\). Exam tip: add the changing values of (5n-1).

Step 2

Why this answer is correct

The correct answer is D. (29). The terms are (2,6,15,29), so \(a_4=29\). Exam tip: add the changing values of (5n-1).

Step 3

Exam Tip

पद (2,6,15,29) हैं इसलिए \(a_4=29\) है। (5n-1) के बदलते मान जोड़ें।

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FAQs

Mathematics Answer, Explanation and Revision Hints

यदि \(a_1=2\) और \(a_{n+1}=a_n+5n-1\) है तो \(a_4\) क्या होगा? / If \(a_1=2\) and \(a_{n+1}=a_n+5n-1\), what is \(a_4\)?

Correct Answer: D. (29). Explanation: पद (2,6,15,29) हैं इसलिए \(a_4=29\) है। (5n-1) के बदलते मान जोड़ें। / The terms are (2,6,15,29), so \(a_4=29\). Exam tip: add the changing values of (5n-1).

Which concept should I revise for this Mathematics MCQ?

The terms are (2,6,15,29), so \(a_4=29\). Exam tip: add the changing values of (5n-1).

What exam hint can help solve this Mathematics question?

पद (2,6,15,29) हैं इसलिए \(a_4=29\) है। (5n-1) के बदलते मान जोड़ें।