Q. 2 4.0( 6 Votes )

Which of the following expressions are not polynomiasl?

(i)

(ii)

(iii)

(iv)

(v)

Answer :

(i)


A polynomial never has negative or fractional power. In the given expression has negative power.


Therefore it is not a polynomial.


(ii)


A polynomial always has positive power.


Therefore the given expression is a polynomial.


(iii)


A polynomial always has positive power.


Therefore the given expression is a polynomial.


(iv)


A polynomial never has negative or fractional power. In the given expression has fractional power.


Therefore it is not a polynomial.


(v)


A polynomial never has negative or fractional power. In the given expression has negative power.


Therefore it is not a polynomial.


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