Thursday

April 17, 2014

April 17, 2014

Posted by **Davey** on Monday, May 27, 2013 at 3:39am.

- Calculus -
**Reiny**, Monday, May 27, 2013 at 9:29amintersection points:

x^2 - 4x + 5 = 2x-3

x^2 - 6x + 8 = 0

(x-2)(x-4) = 0

x = 2 or x = 4

in that domain, the effective height of the region is

2x-3 - (x^2-4x+5) = -x^2 + 6x - 8

area of region

= ∫(-x^2 + 6x - 8) dx from x = 2 to x = 4

= [ -x^3/3 + 3x^2 - 8x] from 2 to 3

= -9 + 27 - 24 - (-8/3 + 12 - 16)

= 2/3

check my arithmetic

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