
ΕΣΩΤΕΡΙΚΟ ΓΙΝΟΜΕΝΟ
Authored by Georgios Perros
Mathematics
11th Grade
Used 8+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Αν δύο διανύσματα με μέτρα 2 και σχηματίζουν γωνία , τότε το εσωτερικό τους γινόμενο ισούται με
-2
4
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Αν δύο διανύσματα με μέτρα 4 και σχηματίζουν γωνία , τότε το εσωτερικό τους γινόμενο ισούται με
-6
-3/2
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Η γωνία που σχηματίζουν τα διανύσματα (0, -1) και (-3, 4) έχει συνημίτονο
-0,5
-0,8
-0,75
0,25
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Αν τα διανύσματα (-2, 5) και (5, μ) είναι κάθετα, τότε μ =
1
0
10
2
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Αν δύο διανύσματα έχουν μέτρο 4 και σχηματίζουν γωνία 120 μοιρών, τότε το άθροισμά τους έχει μέτρο
4
8
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Αν δύο διανύσματα έχουν μέτρο 4 και σχηματίζουν γωνία 120 μοιρών, τότε η διαφορά τους έχει μέτρο
0
8
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Αν τα διανύσματα (λ , 9) και (λ - 6 , 1) είναι κάθετα, τότε λ =
3
0
4
-1
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