Question

α,β are the roots of the ax2+bx+c=0 then find the value of 1/α+1/β ?

Answer 1

a+b /ab is the answer obtained by solving

Answer 2

for a quadratic equation ax² + bx + c = 0 with roots as α,β

α × β = c/a

α + β = - b/a

value of 1/α+1/β =>

=> (α + β )/α × β

=> - b/c