Solved: Find the least value of \( a \) such that the function \( f(x) = x^2 + ax + 1 \)

Class: 12 Subject: Math Topic: Applications of Derivatives

Find the least value of \( a \) such that the function \( f(x) = x^2 + ax + 1 \) is strictly increasing on \( (1,2) \).

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