Exemplar-Exercise Problems VIII — task. Mathematics CBSE, Class 9.

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Classify the following polynomials as polynomials in one variable, two variables etc.

i.

$x^2 + x + 1$ is a

ii.

$y^3 – 5y$ is a

iii.

$xy + yz + zx$ is a

iv.

$x^2 – 2xy + y^2 + 1$ is a

Answer variants:

Polynomial in two variable

Polynomial in one variable

Polynomial in three variable

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