Numere complexe
Rezolvam exercitii cu numere complexe, conform programei de clasa a X-a si programei de Bacalaureat.
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Ufo loves bacterias. He created a weird bacteria that makes kids not to want to go outside to play with their friends. Fight now to destroy the bacteria attack! You have already completed the quiz before. Hence you can not start it again.
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Question 1 of 10
1. Question
1 pointsValoarea lui x∈R pentru care numărul z=(5x-10)+ 7i este pur imaginar esteCorrect
Incorrect
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Question 2 of 10
2. Question
1 pointsModulul numărului z=3-4i esteCorrect
Incorrect
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Question 3 of 10
3. Question
1 pointsNumărul (1+i)^8 ( adica 1+i la puterea a 8-a) este egal cuCorrect
Incorrect
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Question 4 of 10
4. Question
1 pointsModulul numărului z=(1+i)/(1-i) esteCorrect
Incorrect
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Question 5 of 10
5. Question
1 pointsFie z=1+i şi z’=1-i. Atunci 1/z +1/z’ este egal cuCorrect
Incorrect
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Question 6 of 10
6. Question
1 pointsNotam x^2 numarul x la puterea a doua. Rădăcinile complexe ale ecuaţiei x^2+4=0 suntCorrect
Incorrect
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Question 7 of 10
7. Question
1 pointsValoarea lui x∈R pentru care numărul z=7+(3x+6)i este real esteCorrect
Incorrect
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Question 8 of 10
8. Question
1 pointsPartea reală a numărului z=(2+i)/(1-i) esteCorrect
Incorrect
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Question 9 of 10
9. Question
1 pointsNotam i^n numărul i la puterea a n-a. Valoarea numărului z= i^8+i^9+i^10+i^11+i^12 esteCorrect
Incorrect
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Question 10 of 10
10. Question
1 pointsValorile numerelor a,b∈ R pentru care are loc egalitatea: 2a-3i=-4+(5-2b)i suntCorrect
Incorrect
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Examples of questions from "Numere complexe"
- Valorile numerelor a,b∈ R pentru care are loc egalitatea: 2a-3i=-4+(5-2b)i sunt
- Notam i^n numărul i la puterea a n-a. Valoarea numărului z= i^8+i^9+i^10+i^11+i^12 este
- Numărul (1+i)^8 ( adica 1+i la puterea a 8-a) este egal cu
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