Question

if alpha and beta are the zeroes of p(x)=x^2-px+q
then 1/alpha+ 1/beta is equal to?



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Answer 1

Answer:

$\alpha + \beta = p \\ \alpha \times \beta = 1 \div \alpha + 1 \div \beta \\ \alpha + \beta \div ( \alpha \beta )$

=p/q