Question

If alpha and beta are the zeros of the quadratic polynomial f(x)=x 2 -x-4 , find the value of 1/alpha-1/beta
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Answer 1

15 by 4

Step-by-step explanation:

x)=x2−x−4

α+β=1

αβ=−4

→α1+β1−αβ

=αβα+β−αβ

=−41−(−4)

=4−1+4

=415