(x + 3) &# 178; + (y-4) &# 178; = 0, (x, y ∈ R) is (x + 3) (y-4) = 0

(x + 3) &# 178; + (y-4) &# 178; = 0, (x, y ∈ R) is (x + 3) (y-4) = 0


Sufficient and unnecessary conditions



α: X, y belong to R, and x = 0 or y = 2, β: X & # 178; + Y & # 178; = 4
Try to explain what condition α is β by the relation between subset and deduction


We don't know if x = 0 or y = 2 is a condition or B condition

Elden Ring Premiere

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