समांतर श्रेणी \(7,11,15,19,\ldots\) का सामान्य पद कौन-सा है?

Which is the general term of the arithmetic progression \(7,11,15,19,\ldots\)?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

B. \(a_n=4n+3\)

Step 1

Concept

The first term is (7) and the difference is (4), so \(a_n=4n+3\). In exams, use (a_n=a+(n-1)d).

Step 2

Why this answer is correct

The correct answer is B. \(a_n=4n+3\). The first term is (7) and the difference is (4), so \(a_n=4n+3\). In exams, use (a_n=a+(n-1)d).

Step 3

Exam Tip

पहला पद (7) और अंतर (4) है, इसलिए \(a_n=4n+3\) है। परीक्षा में (a_n=a+(n-1)d) लगाएँ।

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Mathematics Answer, Explanation and Revision Hints

समांतर श्रेणी \(7,11,15,19,\ldots\) का सामान्य पद कौन-सा है? / Which is the general term of the arithmetic progression \(7,11,15,19,\ldots\)?

Correct Answer: B. \(a_n=4n+3\). Explanation: पहला पद (7) और अंतर (4) है, इसलिए \(a_n=4n+3\) है। परीक्षा में (a_n=a+(n-1)d) लगाएँ। / The first term is (7) and the difference is (4), so \(a_n=4n+3\). In exams, use (a_n=a+(n-1)d).

Which concept should I revise for this Mathematics MCQ?

The first term is (7) and the difference is (4), so \(a_n=4n+3\). In exams, use (a_n=a+(n-1)d).

What exam hint can help solve this Mathematics question?

पहला पद (7) और अंतर (4) है, इसलिए \(a_n=4n+3\) है। परीक्षा में (a_n=a+(n-1)d) लगाएँ।