State whether the statement is True or False.
$(x^{2} - 3 y^{2}) (5 x^{2} + 2 y^{2})$ is equal to $5 x^{4} - 13 x^{2} y^{2} - 6 y^{4}$ .

True

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False

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Solution

The correct option is A True
$M u l t i p l y (x^{2} - 3 y^{2}) (5 x^{2} + 2 y^{2}) = 5 x^{4} - 15 x^{2} y^{2} + 2 x^{2} y^{2} - 6 y^{4} = 5 x^{4} - 13 x^{2} y^{2} - 6 y^{4}$

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Question 45

State whether the statement given is True or False.

Sum of $x^{2} + x$ and $y + y^{2}$ is $2 x^{2} + 2 y^{2}$ .

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