What is the solution set of {x | x < -5} ∩ {x | x > 5}?
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Answer:
Step-by-step explanation:
Using Pythagoras' identity in the right triangle
The square on the hypotenuse is equal to the sum of the squares on the other 2 sides.
let h represent the hypotenuse, then
h² = 5² + ( )² = 25 + 2 = 27 ( take the square root of both sides )
h = ← exact value