Tiêu đề MAT 1B JR DIFF M02 FIRST PRNCP(16 Aug 2016).ppt ✅

DIFFERENTIATION
PROBLEMS BASED ON FIRST PRINCIPLE
1(i) Find the derivative of x3 by using first principle Solution Let f(x) = x3, f(x+h) = (x+h)3 Using first principle
= 3x2+3x(0)+0 = 3x2 ∴ f'(x)= 3x2