Question

If 1 zero of the quadratic polynomialf(x)=x^2+x-2, find the value of 1/alpha-1/beta​

Answer 1

Answer:

3/2

Step-by-step explanation:

x^2+2x-x-2

x (x+2)-1 (x+2)=0

x=1; x=-2

1/alpha-1/beta

=1+1/2

=3/2

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