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IB Security 2019 Question 2

Question 2

If a quadratic polynomial y = $$ax^2+ bx + c$$ intersects x axis at α and β, then

Solution

If a quadratic polynomial y = $$ax^2+ bx + c$$ intersects x axis at α and β, then α+β=$$\dfrac{-b}{a}$$ and αβ = $$\dfrac{c}{a}$$



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Comments
Mantesh

2 years, 10 months ago

How it is happened please explain

cracku

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