| √x+4−2 | ||
lim | ||
| √x+25−5 |
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| √x+4−2 | (√x+4+2)(√x+25+5) | ||
* | = | ||
| √x+25−5 | (√x+4+2)(√x+25+5) |
| (x+4−4)(√x+25+5) | ||
= | ||
| (x+25−25)(√x+4+2) |
| x(√x+25+5) | √x+25+5 | |||
= | = | , wszedzie limesy | ||
| x(√x+4+2) | √x+4+2 |
| √x+25+5 | √0+25+5 | 10 | 5 | |||||
lim x→0 | = | = | = | |||||
| √x+4+2 | √0+4+2 | 4 | 2 |