B 2/5 mile I hope this helps
Set
, so that
. Then the integral is
Or, if you meant exponents in place of coefficients,
Let
, so that
, and use the fact that
to get
Answer:
For number 1
Step-by-step explanation:
(3)t. (3)2
3t + 6
DC + BD = BC (your answer is correct). None of the other answers can be 100% proven