Question

Find alpha and beta of 9y2 -11/2y-2/3

Answer 1

Answer:

$\alpha = - b \div a \\ \alpha = - ( - 11) \div 2 \div 9 \\ \alpha = 11 \div 2 \times 9 \alpha = 99 \div 2 \\ \\ \beta = c \div a \\ \beta = - 2 \div 3 \times \div 9 \\ \beta = - 2 \div 3 \times 9 \\ \beta = - 18 \div 3 \\ \beta = - 6$

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