((30*1.4*10^8*5*10^5)^(1/4)*(8*150*4.67*10^8+(30*1.4*10^8*5*10^5)^(1/2))^(1/2)+(30*1.4*10^8*5*10^5)^(1/2))/(2*4.67*10^8)

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