The roots of each of the following equations are $\alpha$ and $\beta$. Without solving, find the

Question

The roots of each of the following equations are $\alpha$ and $\beta$. Without solving, find the value of $\alpha+\beta$ and of $\alpha\beta$. $0.2x^2+0.5x-1=0$ $0.3x^2-0.6x-1.2=0$

Accepted Answer

(a) $-\frac{5}{2},\ -5$ (b) $2,\ -4$

Sum and product with decimal coefficients

Sum and product with decimal coefficients

Solution:

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