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

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

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

D. (26)

Step 1

Concept

The terms are (5,8,12,18), so \(a_4=18\). The correct option should include (18).

Step 2

Why this answer is correct

The correct answer is D. (26). The terms are (5,8,12,18), so \(a_4=18\). The correct option should include (18).

Step 3

Exam Tip

पद (5,8,12,18) नहीं बल्कि \(a_4=18\) होता है। इस प्रश्न के लिए सही विकल्पों में (18) होना चाहिए।

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Mathematics Answer, Explanation and Revision Hints

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

Correct Answer: D. (26). Explanation: पद (5,8,12,18) नहीं बल्कि \(a_4=18\) होता है। इस प्रश्न के लिए सही विकल्पों में (18) होना चाहिए। / The terms are (5,8,12,18), so \(a_4=18\). The correct option should include (18).

Which concept should I revise for this Mathematics MCQ?

The terms are (5,8,12,18), so \(a_4=18\). The correct option should include (18).

What exam hint can help solve this Mathematics question?

पद (5,8,12,18) नहीं बल्कि \(a_4=18\) होता है। इस प्रश्न के लिए सही विकल्पों में (18) होना चाहिए।