In my school, my teacher taught me that monomials, binomials, trinomials and polynomials are the number of terms in the expression but in my Byju's video ot said that those are the number of unlike. Who is correct? I am confused.

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Solution

Number of terms.

A monomial has just one term. For example, 4x² .Remember that a term contains both the variable(s) and its coefficient (the number in front of it.) ...

A binomial has two terms. For example: 5x² -4x.

A trinomial has three terms. ...

Any polynomial with four or more terms is just called a polynomial.

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