Easy Mathematics Sequences and Progressions Class 9 Level 50

अनुक्रम \(1,3,5,7,\ldots\) का स्पष्ट नियम कौन-सा है?

Which explicit rule represents the sequence \(1,3,5,7,\ldots\)?

Explanation opens after your attempt
Correct Answer

C. \(a_n=2n-1\)

Step 1

Concept

This is the sequence of odd numbers, so \(a_n=2n-1\). In exams, check the rule by putting (n=1).

Step 2

Why this answer is correct

The correct answer is C. \(a_n=2n-1\). This is the sequence of odd numbers, so \(a_n=2n-1\). In exams, check the rule by putting (n=1).

Step 3

Exam Tip

यह विषम संख्याओं का अनुक्रम है, इसलिए \(a_n=2n-1\) है। परीक्षा में पहले पद के लिए (n=1) रखकर नियम जाँचें।

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Mathematics Answer, Explanation and Revision Hints

अनुक्रम \(1,3,5,7,\ldots\) का स्पष्ट नियम कौन-सा है? / Which explicit rule represents the sequence \(1,3,5,7,\ldots\)?

Correct Answer: C. \(a_n=2n-1\). Explanation: यह विषम संख्याओं का अनुक्रम है, इसलिए \(a_n=2n-1\) है। परीक्षा में पहले पद के लिए (n=1) रखकर नियम जाँचें। / This is the sequence of odd numbers, so \(a_n=2n-1\). In exams, check the rule by putting (n=1).

Which concept should I revise for this Mathematics MCQ?

This is the sequence of odd numbers, so \(a_n=2n-1\). In exams, check the rule by putting (n=1).

What exam hint can help solve this Mathematics question?

यह विषम संख्याओं का अनुक्रम है, इसलिए \(a_n=2n-1\) है। परीक्षा में पहले पद के लिए (n=1) रखकर नियम जाँचें।

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