Ziehier drie beweringen : (x − 5)2 = 0 ⇔ (x − 5) = 0 (x − 5)2 ≤ 0 ⇔ (x − 5)2 = 0 (x − 5)2 ≥ 0 ⇔ (x − 5)2 = 0 Welke is/zijn juist ? |
A. enkel de eerste juist |
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B. enkel de tweede juist | |
C. enkel de derde juist | |
D. enkel de 1ste en 2de juist | |
E. enkel de 2de en 3de juist |
[ 4,5-2622 - op net sinds 7.11.12-(E)-25.10.2023 ]
Here are three statements : (x - 5)2 = 0 ⇔ (x − 5) = 0 (x - 5)2 ≤ 0 ⇔ (x − 5)2 = 0 (x - 5)2 ≥ 0 ⇔ (x − 5)2 = 0 |
A. only the 1st is correct |
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B. only the 2nd is correct | |
C. only the 3th is correct | |
D. only the 1st and the 2nd are correct | |
E. only the 2nd and the 3th are correct |