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 wants to launch a discount virus. The humans will go crazy and they will spend all the money thay have on stupid things. Dizaster! Only you can save the situation. 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 pointsFie z=1+i şi z’=1-i. Atunci 1/z +1/z’ este egal cuCorrect
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 pointsModulul numărului z=(1+i)/(1-i) esteCorrect
Incorrect
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Question 4 of 10
4. 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 5 of 10
5. 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 6 of 10
6. Question
1 pointsNumărul (1+i)^8 ( adica 1+i la puterea a 8-a) este egal cuCorrect
Incorrect
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Question 7 of 10
7. Question
1 pointsValoarea lui x∈R pentru care numărul z=(5x-10)+ 7i este pur imaginar 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 pointsValoarea lui x∈R pentru care numărul z=7+(3x+6)i este real esteCorrect
Incorrect
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Question 10 of 10
10. 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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Examples of questions from "Numere complexe"
- Partea reală a numărului z=(2+i)/(1-i) este
- Fie z=1+i şi z’=1-i. Atunci 1/z +1/z’ este egal cu
- Notam x^2 numarul x la puterea a doua. Rădăcinile complexe ale ecuaţiei x^2+4=0 sunt
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