यदि \(a_1=5\) और \(a_{n+1}=2a_n-2n\) है तो \(a_3\) क्या होगा?

If \(a_1=5\) and \(a_{n+1}=2a_n-2n\), what is \(a_3\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

C. (12)

Step 1

Concept

The terms are (5,8,12), so \(a_3=12\). Exam tip: do not change the order of multiplication and subtraction.

Step 2

Why this answer is correct

The correct answer is C. (12). The terms are (5,8,12), so \(a_3=12\). Exam tip: do not change the order of multiplication and subtraction.

Step 3

Exam Tip

पद (5,8,12) हैं इसलिए \(a_3=12\) है। गुणा और घटाव का क्रम न बदलें।

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FAQs

Mathematics Answer, Explanation and Revision Hints

यदि \(a_1=5\) और \(a_{n+1}=2a_n-2n\) है तो \(a_3\) क्या होगा? / If \(a_1=5\) and \(a_{n+1}=2a_n-2n\), what is \(a_3\)?

Correct Answer: C. (12). Explanation: पद (5,8,12) हैं इसलिए \(a_3=12\) है। गुणा और घटाव का क्रम न बदलें। / The terms are (5,8,12), so \(a_3=12\). Exam tip: do not change the order of multiplication and subtraction.

Which concept should I revise for this Mathematics MCQ?

The terms are (5,8,12), so \(a_3=12\). Exam tip: do not change the order of multiplication and subtraction.

What exam hint can help solve this Mathematics question?

पद (5,8,12) हैं इसलिए \(a_3=12\) है। गुणा और घटाव का क्रम न बदलें।