JEE Advance - Mathematics (1980 - No. 13)
has solution satisfying the conditions $$x > 0,\,y > 0.$$
$$m \in \left( { - \infty ,, - {{15} \over 2}} \right) \cup \left( {30,\,\infty } \right)$$
$$m \in \left( { - 30,, - {{15} \over 2}} \right)$$
$$m \in \left( { - \infty ,\,\infty } \right)$$
$$m \in \left( { - 30,, - {{15} \over 2}} \right) \cup \left( {30,\,\infty } \right)$$
$$m \in \left( { - \infty ,, - {{15} \over 2}} \right) \cup \left( {30,\,\infty } \right)$$
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