Question

If α, β are zeroes of x2 + 5x + 5, find the value of α−1 +β−1

Answer 1

Answer:

3

Step-by-step explanation:

since α and β are zeros

∴ α + β = b/a = 5/1 = 5 - - - - (1)

Now    α - 1 + β - 1

        = α + β - 2

        = 5 - 2           [ From  (1) ]

        = 3