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[ (d) ak^(2)+2bk+cgt0 (4) If both the ro...

[ (d) ak^(2)+2bk+cgt0 (4) If both the roots of the quadratic equation x^(2)-4ax+2a^(2)-3a+5 are less than 2, then a lies in the set (a) (9/2,oo) (b) (-oo,9/2) (c) (-1,oo) (d) (2,oo)]

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If both the roots of the quadratic equa,tion x^2-2kx+k^2+k-5=0 are less than 5 then k lies i the interval (A) [4,5] (B) 9-oo,4) (C) 6,oo) (D) 95,6]

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