अनुक्रम \(7,14,21,28,\ldots\) का (n)वाँ पद कौन-सा है?
What is the (n)th term of the sequence \(7,14,21,28,\ldots\)?
Explanation opens after your attempt
A. (7n)
Concept
This is the sequence of multiples of (7), so \(a_n=7n\). For (n=1), the first term should be (7).
Why this answer is correct
The correct answer is A. (7n). This is the sequence of multiples of (7), so \(a_n=7n\). For (n=1), the first term should be (7).
Exam Tip
यह (7) के गुणजों का अनुक्रम है, इसलिए \(a_n=7n\)। (n=1) पर पहला पद (7) मिलना चाहिए।
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