Question #b7835
2 Answers
Jan 22, 2018
Explanation:
Remember the chain rule: for
Here,
Power rule:
Remember that
So now we have
But remember,
Jan 22, 2018
Explanation:
#"differentiate using the "color(blue)"chain rule"#
#"given "y=f(g(x))" then"#
#dy/dx=f'(g(x))xxg'(x)larrcolor(blue)"chain rule"#
#4/(2x-1)=4(2x-1)^-1#
#rArrd/dx(4(2x-1)^-1)#
#=-4(2x-1)^-2xxd/dx(2x-1)#
#=-8/(2x-1)^2#