Question #39ad9
1 Answer
Oct 16, 2016
Explanation:
Using the power rule
#d/dx x^n = nx^(n-1)#
we have
#=d/dx 2x^(-2)#
#=2(-2x^(-3))#
#=-4x^(-3)#
#=-4/x^3#
Evaluated at
#=-1/4^2#
#=-1/16#