zadanie w pliku matematyka pierwiastki
1.
a) 1½√2
b) 2√5
c) 6√2
d) 1 i jedna szósta √3
2.
√ (3-2√5)² =
√9 - 4√5 =
3 - 2√5
3. √ ( x-3)² = 2
√ x²-9 = 2
x - 3 = 2 / +3
x = 5
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1.
a) 1½√2
b) 2√5
c) 6√2
d) 1 i jedna szósta √3
2.
√ (3-2√5)² =
√9 - 4√5 =
3 - 2√5
3. √ ( x-3)² = 2
√ x²-9 = 2
x - 3 = 2 / +3
x = 5