madddii9851 madddii9851
  • 24-05-2023
  • Mathematics
contestada

Prove each statement by contrapositive
(a) For every pair of real numbers x and y, if x^3+x(y^2) ≤ (x^2)y+(y^3), then x ≤ y.
(b) For every pair of real numbers x and y, if x+y > 20, then x > 10 or y > 10.

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