यदि \(a_1=130\) और हर अगले पद में (11) घटाया जाता है, तो \(a_9\) क्या होगा?
If \(a_1=130\) and (11) is subtracted for each next term, what is \(a_9\)?
Explanation opens after your attempt
B. (42)
Concept
\(a_9=130-8\times11=42\). There are (8) subtractions before the (9)th term.
Why this answer is correct
The correct answer is B. (42). \(a_9=130-8\times11=42\). There are (8) subtractions before the (9)th term.
Exam Tip
\(a_9=130-8\times11=42\) है। (9)वें पद तक (8) बार घटाव होगा।
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