If $$\left( {a,{a^2}} \right)$$ falls inside the angle made by the lines $$y = {x \over 2},$$ $$x > 0$$ and $$y = 3x,$$ $$x > 0,$$ then a belong to :
JEE · Math · previous-year question
- A.$$\left( {0,{1 \over 2}} \right)$$
- B.$$\left( {3,\infty } \right)$$
- C.$$\left( {{1 \over 2},3} \right)$$
- D.$$\left( {-3,-{1 \over 2}} \right)$$
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