Question

If one zero of the quadratic polynomial 2x2+3x-5 are alpha and beta tjen find the value of 1/alpha + 1/beta

Answer 1

Answer:

3/5

Step-by-step explanation:

α+β=-b/a

αβ=c/a

α+β=-3/2

αβ=-5/2

1/α+1/β= α+β/αβ

=-3/2/-5/2

=-3/2×2/-5

=3/5