Question

Q1.Identify which of them are polynomials and which are not.?Give Reasons i) x(x-1)+x ii)2x3-3x2+√x-1 iii)++ iv)−+−​

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.

Answer 2

Answer:

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