A cylinder is sliced horizontally, parallel to its base, and vertically. Which of the following could represent cross sections o
f the cylinder?
2 answers:
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Hello,
x² + 5x + 6 = 0
a = 1 ; b = 5 ; c = 6
∆ = b² - 4ac = 5² - 4 × 1 × 6 = 25 - 24 = 1 > 0
2 solutions :
S = { -3 ; -2}