Question

if f(x)=x^2+1,find x if f(x)=f(x+2)

Answer 1

Answer:

the answer given below

Step-by-step explanation:

We have,

f(x)=x

2

−x

−2

f(x)=x

2

−

x

2

1

Put x=

x

1

So,

f(

x

1

)=

x

2

1

−x

2

f(

x

1

)=−(x

2

−

x

2

1

)

f(

x

1

)=−f(x)