State whether the statement is True or False.
$(3 b - 1) (3 b + 1)$ is equal to $9 b^{2} - 1$ .

True

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False

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Solution

The correct option is A True
$M u l t i p l y (3 b - 1) (3 b + 1) = 9 b^{2} - 3 b + 3 b - 1 = 9 b^{2} - 1$

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