यदि \(a_n=12-5n\) है, तो \(a_4\) क्या होगा?
If \(a_n=12-5n\), what is \(a_4\)?
Explanation opens after your attempt
C. (-8)
Concept
(a_4=12-5(4)=-8). Do not worry if subtraction gives a negative answer.
Why this answer is correct
The correct answer is C. (-8). (a_4=12-5(4)=-8). Do not worry if subtraction gives a negative answer.
Exam Tip
(a_4=12-5(4)=-8)। घटाव करते समय ऋणात्मक उत्तर से न डरें।
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