Composite and inverse functions
Concept 6 of 17 in Continuity and Differentiability
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Expand (2x+1)2=4x2+4x+1(2x + 1)^2 = 4x^2 + 4x + 1(2x+1)2=4x2+4x+1: its derivative is 8x+48x + 48x+4. So why does the power rule's 2(2x+1)2(2x + 1)2(2x+1) give only half of it?
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