यदि \(a_n=7n-2\) है, तो पहला पद क्या है?
If \(a_n=7n-2\), what is the first term?
Explanation opens after your attempt
A. (5)
Concept
For the first term (n=1), so \(a_1=7-2=5\). Put (n=1) to find the first term.
Why this answer is correct
The correct answer is A. (5). For the first term (n=1), so \(a_1=7-2=5\). Put (n=1) to find the first term.
Exam Tip
पहले पद के लिए (n=1), इसलिए \(a_1=7-2=5\)। पहला पद निकालने में (n=1) रखें।
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