Ask Singapore Homework?
Upload a photo of a Singapore homework and someone will email you the solution for free.
Question
secondary 4 | A Maths
One Answer Below
Anyone can contribute an answer, even non-tutors.
is the answer correct ?
Since I see only equal signs all the way, it means that all the working lines equal to f(x).
Presentation needs to be clearer, so f'(x) must be written on the second last line of your working (the one starting with 3).
Other than that, your second working line is not correct.
See 1 Answer