अनुक्रम \(1,3,5,7,\ldots\) का (n)वाँ पद कौन-सा है?
What is the (n)th term of the sequence \(1,3,5,7,\ldots\)?
Explanation opens after your attempt
C. (2n-1)
Concept
This is the sequence of odd numbers, so \(a_n=2n-1\). Check by putting (n=1) for the first term.
Why this answer is correct
The correct answer is C. (2n-1). This is the sequence of odd numbers, so \(a_n=2n-1\). Check by putting (n=1) for the first term.
Exam Tip
यह विषम संख्याओं का अनुक्रम है, इसलिए \(a_n=2n-1\)। पहले पद पर (n=1) रखकर जांचें।
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