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- Deriving quadratic equations
Содержание
Слайд 2
ax² + bx + c = 0 as x² + b/ax
+ c/a=0
We know that x1 + x2 = - b/a
x1 ∙ x2 = c/a
We know that x1 + x2 = - b/a
x1 ∙ x2 = c/a
Слайд 3
find a quadratic equation whose only roots is 5
x1=x2=5
find a quadratic equation whose only roots is 5
x1=x2=5
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