यदि \(a_1=5\) और \(a_{n+1}=a_n+8n-3\) है तो \(a_4\) क्या होगा?

If \(a_1=5\) and \(a_{n+1}=a_n+8n-3\), what is \(a_4\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

D. (47)

Step 1

Concept

The added values are (5,13,21), so \(a_4=44\). Exam tip: find (8n-3) for each step.

Step 2

Why this answer is correct

The correct answer is D. (47). The added values are (5,13,21), so \(a_4=44\). Exam tip: find (8n-3) for each step.

Step 3

Exam Tip

जुड़ने वाले मान (5,13,21) हैं इसलिए \(a_4=44\) है। सही विकल्पों में (44) होना चाहिए।

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Mathematics Answer, Explanation and Revision Hints

यदि \(a_1=5\) और \(a_{n+1}=a_n+8n-3\) है तो \(a_4\) क्या होगा? / If \(a_1=5\) and \(a_{n+1}=a_n+8n-3\), what is \(a_4\)?

Correct Answer: D. (47). Explanation: जुड़ने वाले मान (5,13,21) हैं इसलिए \(a_4=44\) है। सही विकल्पों में (44) होना चाहिए। / The added values are (5,13,21), so \(a_4=44\). Exam tip: find (8n-3) for each step.

Which concept should I revise for this Mathematics MCQ?

The added values are (5,13,21), so \(a_4=44\). Exam tip: find (8n-3) for each step.

What exam hint can help solve this Mathematics question?

जुड़ने वाले मान (5,13,21) हैं इसलिए \(a_4=44\) है। सही विकल्पों में (44) होना चाहिए।