Expand the expression(3a - xy)(3a + xy)
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Correct Answer: Option A
Explanation:
(3a - xy)(3a + xy); (3a)2 - (xy)2
difference of two sqs; 9a2 - x2y2
(3a - xy)(3a + xy); (3a)2 - (xy)2
difference of two sqs; 9a2 - x2y2