Question

Is {x R : x2 + x + 1 = 0} a empty set? Justify your answer​

Answer 1

Step-by-step explanation:

Given,

X² + x + 1 = 0

x² + 1² +x

( x + 1)² - 2x + x

( x + 1)² - x

hence,

the given set Contained some elements so, it is not empty or null set

Answer 2

Answer:

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