यदि \(a_1=1\), \(a_2=3\) और \(a_n=4a_{n-1}-3a_{n-2}\) है तो \(a_5\) क्या होगा?

If \(a_1=1\), \(a_2=3\), and \(a_n=4a_{n-1}-3a_{n-2}\), what is \(a_5\)?

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

A. (27)

Step 1

Concept

The terms are (1,3,9,27,81), so \(a_5=81\). The correct option should include (81).

Step 2

Why this answer is correct

The correct answer is A. (27). The terms are (1,3,9,27,81), so \(a_5=81\). The correct option should include (81).

Step 3

Exam Tip

पद (1,3,9,27,81) हैं इसलिए \(a_5=81\) है। सही विकल्प में (81) होना चाहिए।

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Mathematics Answer, Explanation and Revision Hints

यदि \(a_1=1\), \(a_2=3\) और \(a_n=4a_{n-1}-3a_{n-2}\) है तो \(a_5\) क्या होगा? / If \(a_1=1\), \(a_2=3\), and \(a_n=4a_{n-1}-3a_{n-2}\), what is \(a_5\)?

Correct Answer: A. (27). Explanation: पद (1,3,9,27,81) हैं इसलिए \(a_5=81\) है। सही विकल्प में (81) होना चाहिए। / The terms are (1,3,9,27,81), so \(a_5=81\). The correct option should include (81).

Which concept should I revise for this Mathematics MCQ?

The terms are (1,3,9,27,81), so \(a_5=81\). The correct option should include (81).

What exam hint can help solve this Mathematics question?

पद (1,3,9,27,81) हैं इसलिए \(a_5=81\) है। सही विकल्प में (81) होना चाहिए।