यदि \(a_1=4\) और \(a_{n+1}=2a_n+4n-1\) है तो \(a_3\) क्या होगा?

If \(a_1=4\) and \(a_{n+1}=2a_n+4n-1\), what is \(a_3\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

C. (29)

Step 1

Concept

\(a_2=2\times4+3=11\) and \(a_3=2\times11+7=29\). Exam tip: (4n-1) changes at each step.

Step 2

Why this answer is correct

The correct answer is C. (29). \(a_2=2\times4+3=11\) and \(a_3=2\times11+7=29\). Exam tip: (4n-1) changes at each step.

Step 3

Exam Tip

\(a_2=2\times4+3=11\) और \(a_3=2\times11+7=29\) है। (4n-1) का मान हर चरण में बदलता है।

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FAQs

Mathematics Answer, Explanation and Revision Hints

यदि \(a_1=4\) और \(a_{n+1}=2a_n+4n-1\) है तो \(a_3\) क्या होगा? / If \(a_1=4\) and \(a_{n+1}=2a_n+4n-1\), what is \(a_3\)?

Correct Answer: C. (29). Explanation: \(a_2=2\times4+3=11\) और \(a_3=2\times11+7=29\) है। (4n-1) का मान हर चरण में बदलता है। / \(a_2=2\times4+3=11\) and \(a_3=2\times11+7=29\). Exam tip: (4n-1) changes at each step.

Which concept should I revise for this Mathematics MCQ?

\(a_2=2\times4+3=11\) and \(a_3=2\times11+7=29\). Exam tip: (4n-1) changes at each step.

What exam hint can help solve this Mathematics question?

\(a_2=2\times4+3=11\) और \(a_3=2\times11+7=29\) है। (4n-1) का मान हर चरण में बदलता है।