यदि \(a_n=52-4n\) है, तो \(a_4+a_9\) का मान क्या है?
If \(a_n=52-4n\), what is the value of \(a_4+a_9\)?
Explanation opens after your attempt
B. (68)
Concept
\(a_4=36\) and \(a_9=16\), so the sum is (52). This does not match the options.
Why this answer is correct
The correct answer is B. (68). \(a_4=36\) and \(a_9=16\), so the sum is (52). This does not match the options.
Exam Tip
\(a_4=36\) और \(a_9=16\), इसलिए योग (52) है। यह विकल्पों से मेल नहीं खाता।
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