Question

If A and B are the zeroes of following polynomial, the [1/A] +[1/B] – AB =
( 2-4x+1)

Answer 1

Step-by-step explanation:

p(x) =x^2-4x+1

A and B are zeroes of p(x)

A+B=4

AB=1

(1/A) +(1/B) -AB

=(A+B) /(AB) -B

=(4/1)-1

=3.