Multiply 84 times 2 to find it hopes this helps.
Let
![I = \displaystyle \int e^{-2x} \cos(2x) \, dx[/]texIntegrate by parts:[tex]\displaystyle \int u \, dv = uv - \int v \, du](https://tex.z-dn.net/?f=I%20%3D%20%5Cdisplaystyle%20%5Cint%20e%5E%7B-2x%7D%20%5Ccos%282x%29%20%5C%2C%20dx%5B%2F%5Dtex%3C%2Fp%3E%3Cp%3EIntegrate%20by%20parts%3A%3C%2Fp%3E%3Cp%3E%5Btex%5D%5Cdisplaystyle%20%5Cint%20u%20%5C%2C%20dv%20%3D%20uv%20-%20%5Cint%20v%20%5C%2C%20du)
with

Then

Integrate by parts again, this time with

so that

Answer:
<h3>
f(x) = x - 6</h3><h3>
g(x) = x - 5</h3>
Step-by-step explanation:

Answer is 0.89 sorry for bad drawing and putting 89 as the answer instead of 0.89
Answer:
1 : 3
Step-by-step explanation:
pears : apples = 3 : 9 = 1 : 3
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A common factor of 3 can be removed from each number in the ratio to reduce it to lowest terms.