अनुक्रम \(13,17,21,25,\ldots\) के लिए सही स्पष्ट नियम कौन-सा है?
Which explicit rule is correct for the sequence \(13,17,21,25,\ldots\)?
Explanation opens after your attempt
Correct Answer
B. \(a_n=4n+9\)
Step 1
Concept
The difference is (4) and the first term is (13), so \(a_n=4n+9\). In exams, match both the difference and the first term.
Step 2
Why this answer is correct
The correct answer is B. \(a_n=4n+9\). The difference is (4) and the first term is (13), so \(a_n=4n+9\). In exams, match both the difference and the first term.
Step 3
Exam Tip
अंतर (4) है और पहला पद (13) है, इसलिए \(a_n=4n+9\) है। परीक्षा में अंतर और पहला पद दोनों मिलाएँ।
Mathematics Answer, Explanation and Revision Hints
अनुक्रम \(13,17,21,25,\ldots\) के लिए सही स्पष्ट नियम कौन-सा है? / Which explicit rule is correct for the sequence \(13,17,21,25,\ldots\)?
Correct Answer: B. \(a_n=4n+9\). Explanation: अंतर (4) है और पहला पद (13) है, इसलिए \(a_n=4n+9\) है। परीक्षा में अंतर और पहला पद दोनों मिलाएँ। / The difference is (4) and the first term is (13), so \(a_n=4n+9\). In exams, match both the difference and the first term.
Which concept should I revise for this Mathematics MCQ?
The difference is (4) and the first term is (13), so \(a_n=4n+9\). In exams, match both the difference and the first term.
What exam hint can help solve this Mathematics question?
अंतर (4) है और पहला पद (13) है, इसलिए \(a_n=4n+9\) है। परीक्षा में अंतर और पहला पद दोनों मिलाएँ।
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