JEE MAIN - Physics Hindi (2020 - 7th January Morning Slot - No. 21)
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$${{A{ \in _0}K} \over d}\left( {1 + {{\left( {{{\alpha d} \over 2}} \right)}^2}} \right)$$
$${{A{ \in _0}K} \over d}\left( {1 + {{\alpha d} \over 2}} \right)$$
$${{A{ \in _0}K} \over d}\left( {1 + {{{\alpha ^2}{d^2}} \over 2}} \right)$$
$${{A{ \in _0}K} \over d}\left( {1 + \alpha d} \right)$$
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