Question

If f(y)=y^2-1 then find f(3√2) ​

Answer 1

Answer:

17

hope it helps you...

Answer 2

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)

Hence, this is the answer.