Find the derivative of the function 
by the limit process.
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Individuals who exhibit a pervasive pattern of grandiosity, a need for admiration, and a lack of empathy for others.
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A term used to describe something or someone that is aesthetically pleasing or possesses qualities that give great pleasure to the senses or the mind.
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Achieving desired goals and outcomes, or attaining recognition, profit, or the accomplishment of an aim or purpose.
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Showing a higher level of intelligence or ability to learn and understand things quickly and easily.
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