X÷2=20. Want an explanation?
The idea is to use the tangent line to
at
in order to approximate
.
We have


so the linear approximation to
is

Hence
and
.
Then

You answer this problem bye cost i already got my answer though thanks for trying...
Answer:
what is you math promblem.I think you are new to this app but if you want help with your homework you press the button that say ask a question and then u pick a subject and post it so other people could help you.But I can't help becuase you did not say what you need help on or your question
Step-by-step explanation:
4/81 (?)
not sure if that is 100% correct