यदि \(a_n=7n-1\) है, तो कौन-सा पद (69) के बराबर होगा?
If \(a_n=7n-1\), which term will be equal to (69)?
Explanation opens after your attempt
C. (10)वाँ(10)th
Concept
From (7n-1=69), (7n=70) and (n=10). Solve the equation to find the term position.
Why this answer is correct
The correct answer is C. (10)वाँ / (10)th. From (7n-1=69), (7n=70) and (n=10). Solve the equation to find the term position.
Exam Tip
(7n-1=69) से (7n=70) और (n=10)। पद की स्थिति निकालने के लिए समीकरण हल करें।
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