Prove that la + b la|+|b| Va, bER Prove that if ab>0 then either a>0...

  

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Prove that la + b ≤ la|+|b| Va, bER Prove that if ab>0 then either a>0 and b>0 or a<0 and b<0. Prove that if ab<0 then either a<0 and b>0 or a>0 and b<0. Prove that la + b ≤ la|+|b| Va, bER Prove that if ab>0 then either a>0 and b>0 or a<0 and b<0. Prove that if ab<0 then either a<0 and b>0 or a>0 and b<0.

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The image presents three separate mathematical proofs to be demonstrated Lets go through each one step by step Proof 1 a b a b This is known as the tr... View the full answer