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Sagot :

Bonjour,

a) d(-5;10)

[tex] | - 5 - 10| \\ = | - 15| \\ = 15[/tex]

b) d(-2/3;-√12)

[tex] | - \frac{2}{3} - ( - \sqrt{12} )| \\ = | - \frac{2}{3} + \sqrt{12} | \\ = - \frac{2}{3} + 2 \sqrt{3} \\ = 2 \sqrt{3} - \frac{2}{3} [/tex]

c) d(-7;47)

[tex] | - 7 - 47| \\ = | - 54| \\ = 54[/tex]

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