1.

(i) Find the values of 'a' for which the expression x^(2)-(3a-1)x+2a^(2)+2a-11 is always positive (ii) If x^(2)+4ax+2 gt0 for all values of x, then a lies in the interval. (a) (-2,4) (b) (1,2) (c) (-sqrt(2),sqrt(2)) (d) (-(1)/(sqrt(2)),(1)/(sqrt(2))) (e) (-4,2).

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ANSWER :(i) `5 LT a lt 9`
(II) (d)


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