Answer:
a = 2, b = 3.5
Step-by-step explanation:
Expanding using Binomial expansion, we have that:
=
We have that the coefficients of the first two terms are 128 and -224.
For the first term:
=>
For the second term:
Therefore, a = 2, b = 3.5
D) x = √5
I belive it would be 28 mph.
3*x=15
i think-