Answers!
f(x1)=f(x2)
1/x1=1/x2
x1=x2
f has 1 zero
this result is not true, it is one-one and not onto
Comment
Answer the question...
f(x1)=f(x2)
1/x1=1/x2
x1=x2
f has 1 zero
this result is not true, it is one-one and not onto
Comment