यदि किसी समानांतर श्रेढ़ी का (n)वाँ पद \(a_n=2n+5\) है, तो समान अंतर क्या होगा?
If the (n)th term of an arithmetic progression is \(a_n=2n+5\), what is the common difference?
Explanation opens after your attempt
Correct Answer
C. (2)
Concept
In the linear form \(a_n=2n+5\), the coefficient of (n) is (2). In an arithmetic progression, this coefficient is the common difference.
Why this answer is correct
The correct answer is C. (2). In the linear form \(a_n=2n+5\), the coefficient of (n) is (2). In an arithmetic progression, this coefficient is the common difference.
Exam Tip
रैखिक रूप \(a_n=2n+5\) में (n) का गुणांक (2) है। समानांतर श्रेढ़ी में यह गुणांक समान अंतर होता है।
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