A Tangent Intercept Ratio

8/10calculusConvexityLogarithmsinequality

Problem

The inequality

ln(x+1)1ax+b\ln(x + 1) - 1 \leqslant ax + b

holds for all x>1x > -1. Find the minimum value of ba\dfrac{b}{a}.

Answer

Solution

Difficulty8/10
Topicscalculus, Convexity, Logarithms, inequality

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