Find an equation of the tangent to the curve at the point corresponding to the given value of the parameter. 
Definitions:
Fluid Intelligence
Independent from known knowledge, the skill to apply logical thinking and resolve unfamiliar issues.
Crystallized Intelligence
The ability to use skills, knowledge, and experience, which tends to increase with age.
Interpersonal Intelligence
The ability to understand and interact effectively with others, often considered a key component of emotional intelligence.
Arteriosclerosis
A general term for the thickening and hardening of arteries, which can restrict blood flow and lead to various cardiovascular diseases.
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