JEE MAIN - Mathematics Hindi (2019 - 10th January Morning Slot - No. 17)
माना $${\rm I} = \int\limits_a^b {\left( {{x^4} - 2{x^2}} \right)} dx.$$ यदि I न्यूनतम है तो युग्म (a, b) है -
$$\left( {\sqrt 2 , - \sqrt 2 } \right)$$
$$\left( {0,\sqrt 2 } \right)$$
$$\left( { - \sqrt 2 ,\sqrt 2 } \right)$$
$$\left( { - \sqrt 2 ,0} \right)$$
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