252 Journal of the Asiatic Soc. of Bengal. [N.S., XVIII, 1922.] 
which equations are sufficient for the unique determination of 
gS Tee ger a 
Substituting these values in ey and putting y= —x+A,, 
we get _ rationalised equation in 
uation in its lowest disseastone must be of the né 
degree as Shéewine proved. 
The same method is also applicable to the rationalisation 
of the equation 
Saye race boy 
where e ,qg”,r",... are not rational. 
