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1. |
If x = 3 + 2 2 and xy = 1, then the value ofx2 + 3xy + y2 isx2 3xy + y2 |
A. | <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>30</center></td></tr><tr><td style="text-align: center;">31</td></tr></table> |
B. | <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>70</center></td></tr><tr><td style="text-align: center;">31</td></tr></table> |
C. | <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>35</center></td></tr><tr><td style="text-align: center;">31</td></tr></table> |
D. | <table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>37</center></td></tr><tr><td style="text-align: center;">31</td></tr></table> |
Answer» E. | |