Question Type 5: Finding n or the sum of first n terms when r = 1

Master Question Type 5: Finding n or the sum of first n terms when r = 1 with International Baccalaureate (IB) Mathematics Applications & Interpretation exam-style questions, flashcards, lessons, and notes. All resources are aligned with the International Baccalaureate (IB) syllabus and designed for both SL and HL students.