Word Count : 446

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समीकरण है: [ x^4 + 4x^3 + 8 = 0 ] सबसे पहले इसे साधक त्रिघाती (depressed cubic) रूप में लाना होगा ताकि हम क्रमशः देकार्त की और फेरारी की विधि से हल कर सकें। --- चरण 1: फेरारी की विधि के लिए परिवर्तन फेरारी की विधि के अनुसार, यदि समीकरण क्वार्टिक है: [ x^4 + bx^3 + cx^2 + dx + e = 0 ] तो हम (x = y - \frac{b}{4}) लेते हैं ताकि त्रिघाती में परिवर्तन हो। यहाँ (b = 4), (c = 0), (d = 0), (e = 8)। तो, (x = y - \frac{4}{4} = y - 1)। --- चरण 2: परिवर्तन डालें [ x = ______ __________ _______ ___ ____ ____.
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