33 lines
No EOL
841 B
Text
33 lines
No EOL
841 B
Text
import math
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def circle_area(radius):
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return math.pi * radius ** 2
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def circle_circumference(radius):
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return 2 * math.pi * radius
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def solve_quadratic(a, b, c):
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discriminant = b ** 2 - 4 * a * c
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if discriminant < 0:
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return None, None
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elif discriminant == 0:
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x = -b / (2 * a)
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return x, x
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else:
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x1 = (-b + math.sqrt(discriminant)) / (2 * a)
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x2 = (-b - math.sqrt(discriminant)) / (2 * a)
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return x1, x2
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print(f"Circle with radius 5:")
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print(f" Area: {circle_area(5):.2f}")
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print(f" Circumference: {circle_circumference(5):.2f}")
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print(f"\nQuadratic 2x² + 5x - 3 = 0:")
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x1, x2 = solve_quadratic(2, 5, -3)
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print(f" Solutions: {x1:.2f}, {x2:.2f}")
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print(f"\nQuadratic x² + 1 = 0:")
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x1, x2 = solve_quadratic(1, 0, 1)
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if x1 is None:
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print(" No real solutions") |