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1. |
For the spherical surface x |
A. | <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2"> +</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2">&jcirc;</td></tr><tr><td style="text-align: center;"> <span style=" text-decoration: overline;">2</span></td><td style="text-align: center;"> <span style=" text-decoration: overline;">2</span></td></tr></table> |
B. | <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2"> -</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2">&jcirc;</td></tr><tr><td style="text-align: center;"> <span style=" text-decoration: overline;">2</span></td><td style="text-align: center;"> <span style=" text-decoration: overline;">2</span></td></tr></table> |
C. | k |
D. | <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2"> +</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2">&jcirc; +</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2">k </td></tr><tr><td style="text-align: center;"> <span style=" text-decoration: overline;">3</span></td><td style="text-align: center;"> <span style=" text-decoration: overline;">3</span></td><td style="text-align: center;"> <span style=" text-decoration: overline;">3</span></td></tr></table> |
Answer» B. <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2"> -</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2">&jcirc;</td></tr><tr><td style="text-align: center;"> <span style=" text-decoration: overline;">2</span></td><td style="text-align: center;"> <span style=" text-decoration: overline;">2</span></td></tr></table> | |