quadratic equations क्या है? आसान हिंदी में समझाइए
Mathematics में quadratic equations का अर्थ है: an equation of the form ax² + bx + c = 0 where the highest power of the unknown is two. यही बात हिंदी में, लाइव विज़ुअल के साथ समझने पर टॉपिक बहुत आसान लगने लगता है।
How to approach it step by step
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Worked example
तरीका यह है: factorise when the roots are rational, otherwise use the quadratic formula x = (−b ± √(b² − 4ac)) / 2a. उदाहरण — For x² − 5x + 6 = 0, factorising gives (x − 2)(x − 3) = 0, so x = 2 or x = 3.
The mistake most learners make
ध्यान रखें: Forgetting that a negative discriminant means there are no real roots, only complex ones.
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