设[tex=11.786x2.929]ACpG7W/lXiEwdW69ASBj86136FyqMZRO78PZ3PCO8oT32dC6HZ/bpsedC0u+fxEFO5e2uWvfllNRBuMXquHAT50pBg3e1PYZc1bq4UlpQAgYBHDRlNvrMqi/GzQ7JXB0[/tex]在[tex=1.857x1.0]bOlCq/PHWhsSVMaVf7Obdg==[/tex]处连续，则常数[tex=1.357x0.786]/hFLM7h8J4g2u+aatyQL+A==[/tex][input=type:blank,size:4][/input]
举一反三
- 设 [tex=8.357x2.714]50eeCK36Ke9MlXMNn8zhYeji7MJB4sGACdQmxnEX98MFqB2si1wpgONNry0NVbli[/tex] 有无穷间断点 [tex=2.429x1.0]bOlCq/PHWhsSVMaVf7Obdg==[/tex] 及可去间断点 [tex=1.857x1.0]fwov+ZzREJJP/GTCJbKvrw==[/tex]则 [tex=1.357x0.786]/hFLM7h8J4g2u+aatyQL+A==[/tex][input=type:blank,size:4][/input][tex=1.214x1.0]NQwg71UJhse/Y3t96V3t8Q==[/tex][input=type:blank,size:6][/input]
- 若直线[tex=12.143x1.571]Zi8NjKX1bUynAKHhMdUtm+CmuQlfB3fPJfjp+BbOex2psrVa2Ot+fusczdum4sRh[/tex]与[tex=7.857x1.214]8lXWED5NWqD6Zui0LC8lsRiv9RrDJRM0KDEzB1Upl4k=[/tex]。则当[tex=1.357x0.786]/hFLM7h8J4g2u+aatyQL+A==[/tex][input=type:blank,size:4][/input]时，[tex=2.357x1.357]iV6XLdt0r7tWjqxxq59HobW81bDm2x7WOIrO/17uFWo=[/tex]；当[tex=1.357x0.786]/hFLM7h8J4g2u+aatyQL+A==[/tex][input=type:blank,size:4][/input]时，[tex=2.643x1.214]X9fNkbNXlDvy8bPbboNWKk6vKjN3ro1dluXVhh5jhWk=[/tex]。
- 设[tex=9.857x2.786]w70lG1NUs5ZRhKHaXMaifahNYA2l55OVx/YI5vl5IU5oIet8SiRFKZulEKrEB+u3cqm8hNrtSZxKXcWgBI6y+9nBPs0rHNWiskFpGklP+ZFquYfGcw9A3GgxdMFZwNgO[/tex]则当[tex=1.357x0.786]tx3HksJQTTKWgHFrzlQSjg==[/tex][input=type:blank,size:4][/input]时，[tex=1.857x1.357]Fuvm9Mwml7lIOgc0vriwJw==[/tex]在[tex=1.857x1.0]3eSlq+W5GTl4xGu7dhqzgw==[/tex]处连续.
- 设矩阵[tex=8.286x3.5]QN0fTQbn6M33pU3gx/S2slUv+QIAEV/W1i1RUgTPCJRv08LFyda/bNeBdaKDw9HveRoSlL8xeM4Hfbv+0iNLC/6Lb/Wd+fCEksEWLW+oAgimhlGcVmdLUheJPoRJg52X[/tex]的秩为 2，则[tex=1.357x0.786]/hFLM7h8J4g2u+aatyQL+A==[/tex][input=type:blank,size:4][/input]。
- 设函数[tex=13.786x3.929]ACpG7W/lXiEwdW69ASBj88XUs9t4n76qxPobKPQO0uAzh7McC+QuQylJHKMoRTKAZ0sFImEE/uwV64vnNu5DiNY7aBYnl21QIXJgMWPgLyg4BjtUs2dQLnSsElkYwqgxY0NMgR0doMkZ7g4uLDRtKg==[/tex]则[tex=1.857x1.357]bZ4KhrFbnCaidqbMGQZfww==[/tex]在[tex=1.857x1.0]bOlCq/PHWhsSVMaVf7Obdg==[/tex]处必有[input=type:blank,size:4][/input]. A: 极限不存在 B: 极限存在但不连红 C: 连续但不可导 D: 可导