[" Q."16[" If "f(x)f(x)+2f((1)/(x))=3x,x!=0" and "S=],[{x in R/f(x)=f(-x)}" then "S]]

If f(x)+2f((1)/(x))=3x, x ne 0 and S={x in R: f(x) = f(-x)}, " then " S

If f(x)+2f((1)/(x))=3x, x ne 0 and S={x in R: f(x) = f(-x)}, " then " S

If f(x)+2f((1)/(x))=3x,x ne 0 , and S={x in R : f(x)=f (-x)}, then S:

If f(x) +2f(1/x) =3x, x ne 0 and S={x in R//f (x) =f(-x)} , then S is:

If f(x)+2f(1/x)=3x,x ne0 and S={x in RR:f(x)=f(-x)}, then S

If f(x)+2f(1/x)=3x , x!=0, and S={x in R :f(x)=f(-x)} ; then S: (1) is an empty set. (2) contains exactly one element. (3) contains exactly two elements. (4) contains more than two elements

If f(x)+2f(1/x)=3x , x!=0, and S={x in R :f(x)=f(-x)} ; then S: (1) is an empty set. (2) contains exactly one element. (3) contains exactly two elements. (4) contains more than two elements

If f(x)+2f(1/x)=3x , x!=0, and S={x in R :f(x)=f(-x)} ; then S: (1) is an empty set. (2) contains exactly one element. (3) contains exactly two elements. (4) contains more than two elements

If f(x)+2f(1/x)=3x , x!=0, and S={x in R :f(x)=f(-x)} ; then S: (1) is an empty set. (2) contains exactly one element. (3) contains exactly two elements. (4) contains more than two elements