{"type":"rich","version":"1.0","title":"Chapter 1: Prerequisites for Calculus","provider_name":"Coggle","provider_url":"https://coggle.it","thumbnail_url":"https://static.coggle.it/diagram/YUf-Zw9ujzjkwzlI/thumbnail","width":1920,"height":1200,"html":"<iframe width=\"1920\" height=\"1200\" src=\"https://embed.coggle.it/diagram/6147fe670f6e8f38e4c33948\" frameborder=\"0\" allowfullscreen></iframe>"}