यदि \(a_1=4\) और \(a_{n+1}=3a_n-2\) है तो \(a_3\) क्या होगा?

If \(a_1=4\) and \(a_{n+1}=3a_n-2\), what is \(a_3\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. (28)

Step 1

Concept

The terms are (4,10,28), so \(a_3=28\). Exam tip: multiply by (3) first and then subtract (2).

Step 2

Why this answer is correct

The correct answer is B. (28). The terms are (4,10,28), so \(a_3=28\). Exam tip: multiply by (3) first and then subtract (2).

Step 3

Exam Tip

पद (4,10,28) हैं इसलिए \(a_3=28\) है। पहले (3) से गुणा करें फिर (2) घटाएँ।

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FAQs

Mathematics Answer, Explanation and Revision Hints

यदि \(a_1=4\) और \(a_{n+1}=3a_n-2\) है तो \(a_3\) क्या होगा? / If \(a_1=4\) and \(a_{n+1}=3a_n-2\), what is \(a_3\)?

Correct Answer: B. (28). Explanation: पद (4,10,28) हैं इसलिए \(a_3=28\) है। पहले (3) से गुणा करें फिर (2) घटाएँ। / The terms are (4,10,28), so \(a_3=28\). Exam tip: multiply by (3) first and then subtract (2).

Which concept should I revise for this Mathematics MCQ?

The terms are (4,10,28), so \(a_3=28\). Exam tip: multiply by (3) first and then subtract (2).

What exam hint can help solve this Mathematics question?

पद (4,10,28) हैं इसलिए \(a_3=28\) है। पहले (3) से गुणा करें फिर (2) घटाएँ।