Dear sir,isn't the linear approximation formula the first two terms of the Taylor Expansion? Is Linear approximation like Taylor Series but for linear functions?####[['linear approximation formula', 'Mathematical_Related_Concept', 'NEU'], ['Taylor Expansion', 'Mathematical_Related_Concept', 'NEU'], ['Linear approximation', 'Mathematical_Related_Concept', 'NEU'], ['Taylor Series', 'Mathematical_Related_Concept', 'NEU'], ['linear functions', 'Mathematical_Related_Concept', 'NEU']]