यदि \(a_1=5\) और \(a_{n+1}=4a_n-1\) है तो \(a_3\) क्या होगा?

If \(a_1=5\) and \(a_{n+1}=4a_n-1\), what is \(a_3\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. (75)

Step 1

Concept

\(a_2=4\times5-1=19\) and \(a_3=4\times19-1=75\). Exam tip: subtract (1) after multiplication.

Step 2

Why this answer is correct

The correct answer is B. (75). \(a_2=4\times5-1=19\) and \(a_3=4\times19-1=75\). Exam tip: subtract (1) after multiplication.

Step 3

Exam Tip

\(a_2=4\times5-1=19\) और \(a_3=4\times19-1=75\) है। गुणा के बाद (1) घटाएँ।

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Mathematics Answer, Explanation and Revision Hints

यदि \(a_1=5\) और \(a_{n+1}=4a_n-1\) है तो \(a_3\) क्या होगा? / If \(a_1=5\) and \(a_{n+1}=4a_n-1\), what is \(a_3\)?

Correct Answer: B. (75). Explanation: \(a_2=4\times5-1=19\) और \(a_3=4\times19-1=75\) है। गुणा के बाद (1) घटाएँ। / \(a_2=4\times5-1=19\) and \(a_3=4\times19-1=75\). Exam tip: subtract (1) after multiplication.

Which concept should I revise for this Mathematics MCQ?

\(a_2=4\times5-1=19\) and \(a_3=4\times19-1=75\). Exam tip: subtract (1) after multiplication.

What exam hint can help solve this Mathematics question?

\(a_2=4\times5-1=19\) और \(a_3=4\times19-1=75\) है। गुणा के बाद (1) घटाएँ।