How to find ?
Which method is true?
I think method II is wrong and I am not sure the 0/0 fraction in method I is true or not...because 0 as denominator is undefined...
Anyone can help me?
where is a constant.
in other words, when finding the derivative of a function with a constant in front of it, we can simply find the derivative of the function without the constant, and then multiply it by the constant.
the general rule: for some constant, so you could actually omit the second line altogether