For the expression $5 x^{2} + 6 x^{2} y + 9 x y^{2} + 10 x y + 6 x - 5 y - 4,$ answer the following.
What is the number of terms in the expression ?

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Solution

The terms of polynomials are the part of the equation.
In $5 x^{2} + 6 x^{2} y + 9 x y^{2} + 10 x y + 6 x - 5 y - 4$ terms are $5 x^{2}, 6 x^{2} y, 9 x y^{2}, 10 x y, 6 x, - 5 y, - 4$
Hence, total number of terms are $7$ .

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