Question

If a and b are roots of the equation ax²+bx+c=0 obtain the value of a/b +b/a

​

Answer 1

`\\ \sf\longmapsto (a)/(b)+(b)/(a)`

`\\ \sf\longmapsto (a^2+b^2)/(ab)`

`\\ \sf\longmapsto ((a+b)^2-2ab)/(ab)`