9514 1404 393
Answer:
b = (-5, 2)
Step-by-step explanation:
b = 2m - a = 2(1, -1) -(7, -4) = (2-7, -2+4)
b = (-5, 2)
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<em>About the formula</em>
The midpoint is given by the formula ...
m = (a+b)/2
Solving for b gives ...
b = 2m -a . . . as above
Answer:
the answer is C
Step-by-step explanation:
Answer:
7, -1
Step-by-step explanation:
attached
Parameterize the surface of interest

by

with
![u\in[0,1]](https://tex.z-dn.net/?f=u%5Cin%5B0%2C1%5D)
and
![v\in[0,2\pi]](https://tex.z-dn.net/?f=v%5Cin%5B0%2C2%5Cpi%5D)
.
Then the area is given by the surface integral