Question

Which of thefollowing expressions are polynomial in one or more variables
3x^2-5x​

Answer 1

Answer:

(i)3x

2

−2x+5 polynomial is one variable

here x is the only variable.

(ii)x

2

+

2

polynomial is one variable

here x is the only variable.

(iii)p

2

−3p+q polynomial with two variables.

here p&q are variables.

(iv)y+

y

2

not a polynomial

∵y is having −ve power in second term.

(v)5

x

+x

5

not a polynomial

∵x is having fractional power in first term.

(vi)x

100

+y

100

polynomial with two variables.

here x&y are variables.