Can you help me about problem 126
Here's my question: Example: examine the function Y=x(x-1)^3 Y'=3x(x-1)^2+(x-1)^3=(x-1^2(4x-1) Y"=4(x-1)^2+2(x-1)(4x-1) ... How did they get 4(x-1)^2+2(x-1)(4x-1)?
The equation says, sin2x=2sinxcosx =2tanx/1+tan^2x ... How did they get 2tanx/1+tan^2x?
Follow @iMATHalino
MATHalino