If 3a2 = b2 0, then the value of (a + b)3 - (a - b)3 is (a + b)2 - (a - b)2

• A. <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>3b</center></td></tr><tr><td style="text-align: center;">2</td></tr></table>
• B. b
• C. <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>b</center></td></tr><tr><td style="text-align: center;">2</td></tr></table>
• D. <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>2b</center></td></tr><tr><td style="text-align: center;">3</td></tr></table>