Question

plzzzz answer this
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Answer 1

Answer:-a/b

Step-by-step explanation:hope it will help you and follow me on brainly.

Answer 2

Answer:

$sum \: of \: zeroes ( \alpha + \beta )= \frac{ - b}{a} \\ and \:product \: of \: zeroes( \alpha \beta ) = \frac{c}{a} \\ \frac{1}{ \alpha } + \frac{1}{ \beta } = \frac{ \alpha + \beta }{ \alpha \beta } = \frac{ \frac{ - b}{a} }{ \frac{c}{a} } = \bold{ \frac{ - b}{c} }$

hope it helps you....