Word Count : 325

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हमारे पास अनुक्रम \((a_n)\) निम्नलिखित रूप में दिया गया है: \[ a_n = \frac{n}{n^2 + 4} \] ### 1. एकदिष्टता की जाँच एक अनुक्रम \((a_n)\) बढ़ता (monotonic increasing) या घटता (monotonic decreasing) है यदि इसके अंतराल पर इसकी वृद्धि या कमी बनी रहती है। इसे जाँचने के लिए, हम जाँचते हैं कि \( a_{n+1} - a_n \) का संकेत क्या है। #### अंतर ज्ञात करें: _____ _______ __________ __________ _____ _________ ______ _________ ________.
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