1. Determinantni hisoblang
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6-uy ishi(1-kurs) algebra
Uy ishi 1. Determinantni hisoblang: | −2 5
−4 7 |
2. Determinantni hisoblang: | 1 1
1 1 2
3 1 3
6 |
3. Determinantni hisoblang: | 𝑛 + 1 𝑛 𝑛 𝑛 − 1 | 4. Determinantni hisoblang: | tg 𝛼
sin 𝛼 2 cos 𝛼 | 5. Determinantni hisoblang: || 1 − 𝑎
2 1 + 𝑎
2 2𝑎 1 + 𝑎 2 −2𝑎
1 + 𝑎 2 1 − 𝑎 2 1 + 𝑎
2 ||
6. Determinantni hisoblang: | log 𝑏 𝑎 1 1 log
𝑎 𝑏 | 7. Determinantni hisoblang: | 𝑎 + 𝑥 𝑥 𝑥 𝑥 𝑏 + 𝑥 𝑥 𝑥 𝑥 𝑐 + 𝑥
| 8. Determinantni hisoblang: | sin 𝛼
sin 2𝛼 1 cos 𝛼 1 + cos 𝛼 1 tg 𝛼 2 sin 𝛼 1 | 9. Determinantni hisoblang: | 𝑎 𝑏 𝑐 𝑏 𝑐 𝑎 𝑐 𝑎 𝑏 | 10. Determinantni hisoblang: | 1 −1 𝜀 𝜀 𝜀 2 1 −1 𝜀 1 | , 𝜀 = cos
𝜋 3 + 𝑖sin 𝜋 3
11. Quyidagi hadlarning oldidagi ishorani aniqlang. a)
𝑎 43 𝑎 21 𝑎 35 𝑎 12 𝑎 54 ; b) 𝑎 27
36 𝑎 51 𝑎 74 𝑎 25 𝑎 43 𝑎 62 ; c) 𝑎 15 𝑎 32 𝑎 43 𝑎 21 𝑎 52
12. i va k ning qanday qiymatlarida 7 tartibli determinantning 𝑎 47 𝑎 63 𝑎 1𝑖 𝑎 55 𝑎 7𝑘 𝑎 24 𝑎 31
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