Let p and q be the roots of the quadrat...

Let p and q be the roots of the quadratic equation ` x^(2) - (alpha - 2) x -alpha - 1 = 0`. What is the minimum possible value of ` p^(2) + q^(2)` ?

A

0

B

3

C

4

D

5

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The correct Answer is:

D

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