State True or False:
Addition of $x^{3} - x^{2} y + 5 x y^{2} + y^{3}, - x^{3} - 9 x y^{2} + y^{3}, 3 x^{2} y + 9 x y^{2}$ is $2 x^{2} y + 5 x y^{2} + 2 y^{3}$ .

True

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False

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Solution

The correct option is A True
$W e c a n d i r e c t l y a d d t h e c o e f f i c i e n t s o f l i k e v a r i a b l e s, ⟹ (1 - 1) x^{3} + (- 1 + 3) x^{2} y + (5 - 9 + 9) x y^{2} + (1 + 1) y^{3} = 2 x^{2} y + 5 x y^{2} + 2 y^{3}$

Suggest Corrections

Similar questions

x^{3} - x^{2} y + 5 x y^{2} + y^{3}, x^{3} - 9 x y^{2} + y^{3}

3 x^{2} y + 9 x y^{2}

x^{3} - x^{2} y + 5 x y^{2} + y^{3}; - x^{3} + y^{3} - 9 x y^{2} and 3 x y^{2} + 9 x^{2} y .

3 x^{3} - 2 x^{2} y + 5 x y^{2} - y^{3}

4 x^{3} - 3 x^{2} y - 7 x y^{2} + 2 y^{3}

x^{3} + 6 x^{2} y + 9 x y^{2}

Subtract :
$- x^{2} + y^{2} - x^{2} y + 5 x y^{2}$ from $x^{2} + x^{2} y - 5 x y^{2} - y^{2}$

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