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artemalashev
@artemalashev
July 2022
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При каком значении a, система уравнений -3x+ay=-6
9x-3y=18
имеет бесконечно много решений
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ShirokovP
Verified answer
См правило внутри
===============================
a1/a2 = b1/b2 = c1/c2
- 3x + ay + 6 = 0
9x - 3y - 18 = 0
- 3/9 = a/-3 = 6/-18
- 1/3 = - a/3 = - 1/3
Следовательно, а = 1
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Answers & Comments
Verified answer
См правило внутри===============================
a1/a2 = b1/b2 = c1/c2
- 3x + ay + 6 = 0
9x - 3y - 18 = 0
- 3/9 = a/-3 = 6/-18
- 1/3 = - a/3 = - 1/3
Следовательно, а = 1