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Question-85412




Question Number 85412 by Power last updated on 21/Mar/20
Commented by jagoll last updated on 22/Mar/20
by observe  x = y  (2x)^3  = 3^3  ⇒ y = x= (3/2)  (2x)^2  = 3^2  ⇒ y = x = (3/2)
$$\mathrm{by}\:\mathrm{observe} \\ $$$$\mathrm{x}\:=\:\mathrm{y} \\ $$$$\left(\mathrm{2x}\right)^{\mathrm{3}} \:=\:\mathrm{3}^{\mathrm{3}} \:\Rightarrow\:\mathrm{y}\:=\:\mathrm{x}=\:\frac{\mathrm{3}}{\mathrm{2}} \\ $$$$\left(\mathrm{2x}\right)^{\mathrm{2}} \:=\:\mathrm{3}^{\mathrm{2}} \:\Rightarrow\:\mathrm{y}\:=\:\mathrm{x}\:=\:\frac{\mathrm{3}}{\mathrm{2}} \\ $$

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