यदि \(a_n=25-2n\) है, तो सातवाँ पद क्या होगा?
If \(a_n=25-2n\), what is the seventh term?
Explanation opens after your attempt
C. (11)
Concept
\(a_7=25-2\times7=11\). In exams, multiply first in a decreasing sequence.
Why this answer is correct
The correct answer is C. (11). \(a_7=25-2\times7=11\). In exams, multiply first in a decreasing sequence.
Exam Tip
\(a_7=25-2\times7=11\) है। परीक्षा में घटती श्रेणी में गुणा पहले करें।
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