Numere complexe
Rezolvam exercitii cu numere complexe, conform programei de clasa a X-a si programei de Bacalaureat.
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The Crazy Squirrel conceived a plan to paralyze all education in the country. They will throw with giant space rocks towards all the schools. It will be a disaster. Victimes, chaos. You have to stop them. Good luck! If you want to save your points and appear in the Kidibot charts, you must be logged in. Create here an acount or login.
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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 pointsPartea reală a numărului z=(2+i)/(1-i) esteCorrect
Incorrect
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Question 3 of 10
3. 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 4 of 10
4. Question
1 pointsFie z=1+i şi z’=1-i. Atunci 1/z +1/z’ este egal cuCorrect
Incorrect
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Question 5 of 10
5. Question
1 pointsModulul numărului z=3-4i esteCorrect
Incorrect
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Question 6 of 10
6. 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 7 of 10
7. Question
1 pointsModulul numărului z=(1+i)/(1-i) esteCorrect
Incorrect
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Question 8 of 10
8. Question
1 pointsValoarea lui x∈R pentru care numărul z=7+(3x+6)i este real esteCorrect
Incorrect
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Question 9 of 10
9. Question
1 pointsValorile numerelor a,b∈ R pentru care are loc egalitatea: 2a-3i=-4+(5-2b)i suntCorrect
Incorrect
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Question 10 of 10
10. Question
1 pointsNumărul (1+i)^8 ( adica 1+i la puterea a 8-a) este egal cuCorrect
Incorrect
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Examples of questions from "Numere complexe"
- Modulul numărului z=3-4i este
- Partea reală a numărului z=(2+i)/(1-i) este
- Modulul numărului z=(1+i)/(1-i) este
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