Предмет: Алгебра, автор: 5NaDyA5

при каких значениях n уравнение х^2+3x-n=0 имеет 2 корня??? Помогите пожалуууууйстаааааа.....

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Автор ответа: Радость25

0

$x^2+3x-n=0 \ D>0 \ D=9+4n>0 \ 9+4n>0 \ 4n>-9 \ n>- frac{9}{4} \ n> - 2.25$
n∈(-2.25, +беск)

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