The set of value of ' \( b \) ' for which the origin and the point \( (1,1) \) lie on the same s...

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The set of value of ' \( b \) ' for which the origin and the point \( (1,1) \) lie on the same side of the straight line
\( \mathrm{P} \) \( a^{2} x+a b y+1=0 \forall a \in R, b0 \) are

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(a) \( b \in(2,4) \)
(b) \( b \in(0,2) \)
(c) \( b \in[0,2] \)
(d) None of these
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