Word Count : 250

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हम ∫(7x - 2) √(3x + 2) dx का मान निकालते हैं। सबसे पहले substitution लेते हैं: मान लें ( u = 3x + 2 ) तो, ( du = 3 dx ) यानी ( dx = \frac{du}{3} ) और ( x = \frac{u - 2}{3} ) अब मूल इंटीग्रल _______ ___ _______ _______ ___.
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