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Mathematics, 22.10.2019 23:00 phucnguyen1967
Use contrapositive to prove this. let x, y ∈ r. if x and y are both positive, then (√ x + y) does not equal √x + √y.
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Use contrapositive to prove this. let x, y ∈ r. if x and y are both positive, then (√ x + y) does no...
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