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Use a proof by cases to show that 27 is not the square of a positive integer.
Hostility
An emotion reflected in aggressive behaviors, attitude, or a general antagonism towards others.
Type A
Type A refers to a personality type characterized by competitiveness, high ambition, aggressiveness, impatience, and a high sense of urgency.
Ambitious
Describes a person with a strong desire to achieve success, often through hard work, persistence, and determination.
Type B
A personality type characterized by a laid-back, less competitive, and more reflective demeanor, often contrasted with Type A personality.
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