अनुक्रम \(7,11,15,19,\ldots\) के लिए सही recursive rule कौन सा है?

Which recursive rule is correct for the sequence \(7,11,15,19,\ldots\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

A. \(a_1=7, a_{n+1}=a_n+4\)

Step 1

Concept

The first term is (7), and (4) is added each time. Exam tip: both the first term and addition must be correct.

Step 2

Why this answer is correct

The correct answer is A. \(a_1=7, a_{n+1}=a_n+4\). The first term is (7), and (4) is added each time. Exam tip: both the first term and addition must be correct.

Step 3

Exam Tip

पहला पद (7) है और हर बार (4) जुड़ता है। नियम में पहला पद और जोड़ दोनों सही होने चाहिए।

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Mathematics Answer, Explanation and Revision Hints

अनुक्रम \(7,11,15,19,\ldots\) के लिए सही recursive rule कौन सा है? / Which recursive rule is correct for the sequence \(7,11,15,19,\ldots\)?

Correct Answer: A. \(a_1=7, a_{n+1}=a_n+4\). Explanation: पहला पद (7) है और हर बार (4) जुड़ता है। नियम में पहला पद और जोड़ दोनों सही होने चाहिए। / The first term is (7), and (4) is added each time. Exam tip: both the first term and addition must be correct.

Which concept should I revise for this Mathematics MCQ?

The first term is (7), and (4) is added each time. Exam tip: both the first term and addition must be correct.

What exam hint can help solve this Mathematics question?

पहला पद (7) है और हर बार (4) जुड़ता है। नियम में पहला पद और जोड़ दोनों सही होने चाहिए।