Question

If is real, prove that the value of the expression (−1)(+3) (−2)(+4) cannot be between 4/9 and 1.​

Answer 1

Answer:

(-1) (+3) (-2) (+4) = -1 + 3 - 2 + 4 = 2 - 6 = -4

therefore it is proved that this equation is not between 4/9 and 1.

Step-by-step explanation:

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