MathematicsEasy128×since 2002Q5581If (a,a2)\left( {a,{a^2}} \right)(a,a2) falls inside the angle made by the lines y=x2,y = {x \over 2},y=2x, x>0x > 0x>0 and y=3x,y = 3x,y=3x, x>0,x > 0,x>0, then a belong to :A(0,12)\left( {0,{1 \over 2}} \right)(0,21)B(3,∞)\left( {3,\infty } \right)(3,∞)C(12,3)\left( {{1 \over 2},3} \right)(21,3)D(−3,−12)\left( {-3,-{1 \over 2}} \right)(−3,−21)Check answerSkip