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China Girls' Mathematical Olympiad
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In the 2021 China Girls' Mathematical Olympiad, what was the value of x in the equation x^2 - 4x + 3 = 0?
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A
1
💡 Explanation:
To solve the equation x^2 - 4x + 3 = 0, we can use the quadratic formula: x = (-b ± √(b^2 - 4ac)) / 2a. Plugging in the values a = 1, b = -4, and c = 3, we get x = (4 ± √(16 - 12)) / 2 = (4 ± 2) / 2. Therefore, x = 1 or x = 3.