समांतर श्रेणी \(18,13,8,3,\ldots\) में पहला ऋणात्मक पद कौन-सा है?
What is the first negative term in the arithmetic progression \(18,13,8,3,\ldots\)?
Explanation opens after your attempt
B. (5)वाँ(5)th
Concept
The terms are \(18,13,8,3,-2,\ldots\), so the first negative term is the (5)th. Check terms around zero in order.
Why this answer is correct
The correct answer is B. (5)वाँ / (5)th. The terms are \(18,13,8,3,-2,\ldots\), so the first negative term is the (5)th. Check terms around zero in order.
Exam Tip
पद \(18,13,8,3,-2,\ldots\) हैं, इसलिए पहला ऋणात्मक पद (5)वाँ है। शून्य के आसपास पदों को क्रम से जांचें।
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