What will be the coefficient of xy2 after the addition of the terms
$4 x^{2} y, - 3 x y^{2}, - 5 x y^{2}, 5 x^{2} y, - 2 x$ ?

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5 x^{2} y - 15 x y^{2}

(a) Identify terms which contain x and give the coefficient of x.

(i) y²x + y (ii) 13y²− 8yx (iii) x + y + 2

(iv) 5 + z + zx (v) 1 + x+ xy (vi) 12xy² + 25

(vii) 7x + xy²

(b) Identify terms which contain y² and give the coefficient of y².

(i) 8 − xy² (ii) 5y² + 7x (iii) 2x²y −15xy² + 7y²

The coefficient of term $x y^{2}$ in expression $6 x y^{2} + x^{3} - x^{5} + 3 x y^{2} + 7 x^{4} + 4 x + 7$ is

y^{2}

y^{2}

8 - x y^{2}

5 y^{2} + 7 x

2 x^{2} y - 15 x y^{2} + 7 y^{2}

The coefficient of term $x y^{2}$ in expression $6 x y^{2} + x^{3} - x^{5} + 3 x y^{2} + 7 x^{y} + 4 x + 7$ is

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