अनुक्रम \(9,18,27,36,\ldots\) का (n)वाँ पद कौन-सा है?
What is the (n)th term of the sequence \(9,18,27,36,\ldots\)?
Explanation opens after your attempt
A. (9n)
Concept
This is the sequence of multiples of (9), so \(a_n=9n\). For (n=1), the first term should be (9).
Why this answer is correct
The correct answer is A. (9n). This is the sequence of multiples of (9), so \(a_n=9n\). For (n=1), the first term should be (9).
Exam Tip
यह (9) के गुणजों का अनुक्रम है, इसलिए \(a_n=9n\)। (n=1) पर पहला पद (9) मिलना चाहिए।
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