4/7 is the answer.
I cant reall explain becuase it will take forever xD
Answer:
c=8
Step-by-step explanation:
Answer:
54.6cm
Step-by-step explanation:
Arc length = radius * central angle
= 18.2*3
=54.6

One thing you could do is to expand either a factor of

or

, then expand the integrand. I'll do the first.
You have

which means the integral is equivalent to

Substitute

, so that

. This makes it so that the integral above can be rewritten in terms of

as

Now just use the power rule:

Back-substitute to get the antiderivative back in terms of

: