How to find the average rate of change from a graph (example) Bangla

Title:
How to find the average rate of change from a graph (example) Bangla
Video Language:
Bengali
Team:
Khan Academy
Duration:
02:41
http://www.youtube.com/watch?v=7gemEC9cfJM
Format: Youtube
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Original
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Format: Youtube
Primary
Original
Synced
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