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The values of a, b, c, d are 1, 2, 3 and 4, but not necessarily in that order. What is the largest possible value of the sum of the four products ab, bc, cd and da?

 Apr 29, 2020
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𝐈 𝐭𝐑𝐒𝐧𝐀: πŸ’, 𝟐, 𝟏, πŸ‘ =(πŸ’*𝟐) + (𝟐*𝟏) + (𝟏*πŸ‘) + (πŸ‘*πŸ’) = πŸπŸ“

 Apr 29, 2020

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