Problem: Find the area of the region bounded by the graphs as shown in the picture, given that the 4a=2.

May 9, 2017 - 10:48pm

#1
Integral calculus:Application

May 9, 2017 - 10:48pm

#1
Leamir M. Sakal

Integral calculus:Application

Problem: Find the area of the region bounded by the graphs as shown in the picture, given that the 4a=2.

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Equation of line:

$y + 2 = \dfrac{4 + 2}{8.5 - 2.5}(x - 2.5)$

$x = y + 4.5$ ← $x_R$

Equation of parabola:

$y^2 = 2(x - 0.5)$

$x = \frac{1}{2}y^2 + 1$ ← $x_L$

$\displaystyle A = \int_{y_1}^{y_2} (x_R - x_L) \, dy$

$\displaystyle A = \int_{-2}^{4} \left[ (y + 4.5) - \left( \frac{1}{2}y^2 + 1\right) \right] \, dy$

Thanks men! Love the approach