1. The Formula For sum of Quadratic Equation Roots
Example:
If x1 and x2 are the roots of the equation x2 + 2x - 3 = 0, then find x1 + x2!
Answer:
From the equation x2 + 2x - 3 = 0 is obtained:
a = 1
b = 2
c = -3
2. The Formula For Product of Quadratic Equation Roots
Example:
If x1 and x2 are the roots of x2 + 2x - 3 = 0, then find x1 + x2!
Answer:
From the equation x2 + 2x - 3 = 0 is obtained:
a = 1
b = 2
c = -3
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Referensi :
- To'Ali's book math group accounting and sales
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