अनुक्रम \(11,21,31,41,\ldots\) का सामान्य पद क्या है?
What is the general term of the sequence \(11,21,31,41,\ldots\)?
Explanation opens after your attempt
B. \(a_n=10n+1\)
Concept
The first term is (11) and the difference is (10) so \(a_n=10n+1\). In exams find the constant part from the first term.
Why this answer is correct
The correct answer is B. \(a_n=10n+1\). The first term is (11) and the difference is (10) so \(a_n=10n+1\). In exams find the constant part from the first term.
Exam Tip
पहला पद (11) और अंतर (10) है इसलिए \(a_n=10n+1\) है। परीक्षा में पहले पद से स्थिर भाग निकालें।
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