$x^{2} + 2 y z + 3 z y - x^{2}$ is a/an example of expression.

monomial

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polynomial

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binomial

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Solution

The correct option is A monomial
As,
$z \times y = y \times z$
So,
$x^{2} + 2 y z + 3 z y - x^{2} = 3 y z + 2 y z$
$= 5 y z$
Hence , it is a monomial expression as it has only one term

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