Ch 6: Introduction to Integration Ch 6.1: Antiderivatives https://youtu.be/_argv4fnn9oCh 6.2: The Method of Substitutionhttps://youtu.be/AYuEn58z_JgCh 6.4: The Definite Integralhttps://youtu.be/R3HK39eCQNICh 6.5: The Fundamental Theorem of Calculushttps://youtu.be/ON3b50D4Ck8Ch 6.6: Area Between Two Curveshttps://youtu.be/GYfZoOzdkX0