Question

( r )
in
( therefore )
( mp quad stackrel{i}{longrightarrow} )
( begin{array}{cc}sqrt[3]{1} & varphi 1 & 0 alpha & 0end{array} )
( int_{y}^{(1)} int_{y}^{y}left(frac{y}{y}right)^{x} )

# 28. The slope of the curve y = x3 - 2x+ 1 at point x = 1 is equal to : (A) O (B) 1 (C)2 (E) 4

Solution