Question

Which of the following is not a polynomial ?
(a) x2 + 2x + 3
(b)x3 + 3 x2-3
(c) 6 x +4
(d) x2 - 2x+6​

Answer 1

(I) and (Iv) answers

I THINK IT WILL HELP U

Answer 2

Answer:

Correct option is

A

x

2

+

x

1

B

2x

2

−3

x

+1

D

2x

2

3

−5x

(a) x

2

×

x

1

=x

2

+x

−1

is not a polynomial since the exponent of variable in 2nd term is negative.

(b) 2x

2

−3

x

+1=2x

2

−3x

2

1

+1 is not a polynomial, since the exponent of variable in 2nd terms is a rational number.

(c) x

3

−3x+1 is a polynomial.

(d) 2x

2

3

−5x is also not a polynomial, since the exponents of variable in 1st term is a rational number.