If \( \alpha, \beta \) are the roots of \( x^{2}-(a-2) x-(a+1)=0 \) where \( a \) is a variabl... VIDEO
If \( \alpha, \beta \) are the roots of \( x^{2}-(a-2) x-(a+1)=0 \) where \( a \) is a variable then the least value of \( \alpha^{2}+\beta^{2} \) is
(a) 2
(b) 3
(c) 5
(d) 7
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