Topic: Integral and Direct Comparison

Rational Terms Compared with p-Series

Why Lower Bounds Prove Divergence

Building Useful Termwise Inequalities

Proof of the Direct Comparison Convergence Rule

Integral-Test Bounds for Series Remainders

Iterated Logarithms and Borderline Convergence

Shifting Indices in Integral-Test Applications

Logarithmic Factors in Harmonic-Type Series

Verifying Eventual Decrease Before Integration

p-Series Threshold from Improper Integrals