यदि \(D_1=2\) और \(D_n=2D_{n-1}+n-1\) है, तो \(D_4\) का मान क्या होगा?

If \(D_1=2\) and \(D_n=2D_{n-1}+n-1\), what is the value of \(D_4\)?

Author: Muft Shiksha Editorial Team Published:
Explanation opens after your attempt
Correct Answer

D. सत्ताईस(27)

Step 1

Concept

\(D_2=5\), \(D_3=12\), and \(D_4=27\). In exams, add (n-1) separately.

Step 2

Why this answer is correct

The correct answer is D. सत्ताईस / (27). \(D_2=5\), \(D_3=12\), and \(D_4=27\). In exams, add (n-1) separately.

Step 3

Exam Tip

\(D_2=5\), \(D_3=12\) और \(D_4=27\) है। परीक्षा में (n-1) को अलग से जोड़ें।

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FAQs

Mathematics Answer, Explanation and Revision Hints

यदि \(D_1=2\) और \(D_n=2D_{n-1}+n-1\) है, तो \(D_4\) का मान क्या होगा? / If \(D_1=2\) and \(D_n=2D_{n-1}+n-1\), what is the value of \(D_4\)?

Correct Answer: D. सत्ताईस / (27). Explanation: \(D_2=5\), \(D_3=12\) और \(D_4=27\) है। परीक्षा में (n-1) को अलग से जोड़ें। / \(D_2=5\), \(D_3=12\), and \(D_4=27\). In exams, add (n-1) separately.

Which concept should I revise for this Mathematics MCQ?

\(D_2=5\), \(D_3=12\), and \(D_4=27\). In exams, add (n-1) separately.

What exam hint can help solve this Mathematics question?

\(D_2=5\), \(D_3=12\) और \(D_4=27\) है। परीक्षा में (n-1) को अलग से जोड़ें।