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Natasha2012 [34]
3 years ago
11

3^2x+1=9^2x-1 solve the equation ​

Mathematics
2 answers:
stich3 [128]3 years ago
8 0
9x+1 =81x-1


2 = 72x

X=36
Thepotemich [5.8K]3 years ago
5 0
3*2x+1=9*2x-1
6x+1 = 18x-1
-18x = -18x
-12x +1= -1
-12x -2
-2/-12= 1/6
x=1/6 or 0.16
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So the line that is the limit is where the equation crosses the y axis or where x=0

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alrighty

we will do
let's call the curve that is 6th degree f(x)
and the y=9, g(x)

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fancy math
x=8

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\int\limits^8_0 {g(x)-f(x)} \, dx because g(x) is above f(x)
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\int\limits^8_0 {g(x)-f(x)} \, dx= \int\limits^8_0 {9-((\frac{1}{2}x-2)^6+5)} \, dx=
using our calculator because I can't figure out what \int\limits (\frac{1}{2}x-2)^6} \, dx is
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uranmaximum [27]
Hello,

The correct answer is 18.
Hope this helps!!
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Step-by-step explanation:

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