Question

Which one is a polynomial?
a)√2x^-2
b)2/x^-2
c)√2x²
d)2/x²​

Answer 1

Answer:

b

Step-by-step explanation:

bro it is so easy why are you asking

Answer 2

Answer:

a)

√2x^-2

1/√2x^2

1/2x

= -2x

b)

2/x^-2

2/1×1/x²

2×-x²

= -2x²

c)

√2x²

= 2x

d)

2/x²

2×1/x²

2×-x²

= -2x²

none of the above is a polynomial