Oblicz :< wartości bezwzględne>
a) | 2 pier z 2 - 7| - |3+pierw. z 2|
b) |- 3 pierw. z 5 +4| - 2 | pier z 5- - 3 |
c) 3| pierw z 7- 4| + 2| 5- 2 pierw. z 7|
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| 2 pier z 2 - 7| - |3+pierw. z 2|= -2√2+7-3-√2=-3√2+7
|- 3 pierw. z 5 +4| - 2 | pier z 5- - 3 |= 3√5-4+2√5+6=5√5+2
3| pierw z 7- 4| + 2| 5- 2 pierw. z 7| = -3√7+12-10+4√7=√7+2
a) -2 √2+7-3-√2= -3√2+ 4
b)3√5-4-2√5-6= √5-10
c)-3 √7+4+10-4√7= -7√7+14