यदि \(a_n=4n-1\) है, तो इस समानांतर श्रेढ़ी का (8)वाँ पद क्या है?
If \(a_n=4n-1\), what is the (8)th term of this arithmetic progression?
Explanation opens after your attempt
C. (31)
Concept
(a_8=4(8)-1=31). Substitute (n=8) directly in the given (n)th term.
Why this answer is correct
The correct answer is C. (31). (a_8=4(8)-1=31). Substitute (n=8) directly in the given (n)th term.
Exam Tip
(a_8=4(8)-1=31)। दिए हुए (n)वें पद में सीधे (n=8) रखें।
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