B | GRADE 12 MATHS - 2.2.4 How many consecutive first n differences to be added to get 21060

JOIN OUR ONLINE MATHEMATICS CLASSES. Our teaching packages includes; Minimum of 2 hours long weekly classes, Exercises, worked solutions, and end-topic assessments, Anytime consultations via WhatsApp. GROUP CLASSESS: R300 for ONLINE group sessions, ONE ON ONE: R1,600 OR R200 per hour WhatsApp only: 0738604830