A) \[\text{m}=-\text{1}\]
B) \[\text{m}\le -\text{1}\]
C) \[\text{m}\ge -\text{1}\]
D) \[~\text{m}\ge 0\]
Correct Answer: B
Solution :
Given, \[\text{4}0\text{8 }=\text{ 216 }\times \text{ 1 }+\text{ 192}\]have real roots. \[\text{216 }=\text{ 192 }\times \text{ 1 }+\text{ 24}\] \[\text{192 }=\text{ 24 }\times \text{ 8 }+\text{ }0\] \[{{6}^{x}}\] \[{{6}^{x}}={{(2\times 3)}^{x}}={{2}^{x}}\times {{3}^{x}}\] \[\Rightarrow \] \[{{6}^{x}}\] \[\therefore \] \[{{6}^{x}}\]
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