यदि \(a_n=4n+7\) है और \(c_n=a_{n+1}-a_n\), तो \(c_n\) अनुक्रम का सामान्य अंतर क्या है?
If \(a_n=4n+7\) and \(c_n=a_{n+1}-a_n\), what is the common difference of the sequence \(c_n\)?
Explanation opens after your attempt
Correct Answer
A. (0)
Concept
Here \(c_n=4\) for every (n), so its common difference is (0). In exams, treat the sequence of differences as a separate sequence.
Why this answer is correct
The correct answer is A. (0). Here \(c_n=4\) for every (n), so its common difference is (0). In exams, treat the sequence of differences as a separate sequence.
Exam Tip
यहां \(c_n=4\) हर (n) के लिए स्थिर है, इसलिए उसका सामान्य अंतर (0) है। परीक्षा में अंतरों के अनुक्रम को अलग अनुक्रम मानकर देखें।
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