If f(x,y)is a function satisfying euler s theorem then? – McqOptions

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1.	If f(x,y)is a function satisfying euler s theorem then?
A.	(x^2 frac{ ^2 f}{ x^2}+2xy frac{ ^2 f}{ x y}+y^2 frac{ ^2 f}{ y^2}=n(n-1)f )
B.	( frac{1}{x}^2 frac{ ^2 f}{ x^2}+2/xy frac{ ^2 f}{ x y}+ frac{1}{y}^2 frac{ ^2 f}{ y^2}=n(n-1)f )
C.	(x^2 frac{ ^2 f}{ x^2}+2xy frac{ ^2 f}{ x y}+y^2 frac{ ^2 f}{ y^2}=nf )
D.	(y^2 frac{ ^2 f}{ x^2}+2xy frac{ ^2 f}{ x y}+x^2 frac{ ^2 f}{ y^2}=n(n-1)f )
Answer» B. ( frac{1}{x}^2 frac{ ^2 f}{ x^2}+2/xy frac{ ^2 f}{ x y}+ frac{1}{y}^2 frac{ ^2 f}{ y^2}=n(n-1)f )

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