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Question-61030




Question Number 61030 by aanur last updated on 28/May/19
Commented by prakash jain last updated on 28/May/19
x^2 =3(√3)  x^4 =9×3=27=3^3 ⇒x=3^(3/4)   y^2 =9^3 (√3)  y^4 =9^6 ×3=3^(12) ×3=3^(13) ⇒y=3^(13/4)   log_x y=log_3^(3/4)  3^(13/4) =((13)/4)log_3^(3/4)  3  =((13)/4)×(4/3)log_3 3=((13)/4)
$${x}^{\mathrm{2}} =\mathrm{3}\sqrt{\mathrm{3}} \\ $$$${x}^{\mathrm{4}} =\mathrm{9}×\mathrm{3}=\mathrm{27}=\mathrm{3}^{\mathrm{3}} \Rightarrow{x}=\mathrm{3}^{\mathrm{3}/\mathrm{4}} \\ $$$${y}^{\mathrm{2}} =\mathrm{9}^{\mathrm{3}} \sqrt{\mathrm{3}} \\ $$$${y}^{\mathrm{4}} =\mathrm{9}^{\mathrm{6}} ×\mathrm{3}=\mathrm{3}^{\mathrm{12}} ×\mathrm{3}=\mathrm{3}^{\mathrm{13}} \Rightarrow{y}=\mathrm{3}^{\mathrm{13}/\mathrm{4}} \\ $$$$\mathrm{log}_{{x}} {y}=\mathrm{log}_{\mathrm{3}^{\mathrm{3}/\mathrm{4}} } \mathrm{3}^{\mathrm{13}/\mathrm{4}} =\frac{\mathrm{13}}{\mathrm{4}}\mathrm{log}_{\mathrm{3}^{\mathrm{3}/\mathrm{4}} } \mathrm{3} \\ $$$$=\frac{\mathrm{13}}{\mathrm{4}}×\frac{\mathrm{4}}{\mathrm{3}}\mathrm{log}_{\mathrm{3}} \mathrm{3}=\frac{\mathrm{13}}{\mathrm{4}} \\ $$
Commented by aanur last updated on 28/May/19
thank you so much sir
$${thank}\:{you}\:{so}\:{much}\:{sir} \\ $$

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