Given the line y= x and the parabola f(x)=
x^2.
To find the area between the line and the parabola, we need to
determine the intersection points between the line and the curve.
To
find the intersection points, we will caculate x values such that y =
f(x).
==> x^2 = x
==> x^2
- x = 0
==> x ( x-1) =
0
==> x= 0 , 1
Now we will
determine the area under the line y= x between x= 0 and x=
1.
==> A1 = integral
y
= intg x
dx
= x^ 2/2
==>
A1 = (1/2) - 0/2 = 1/2
Now we will calculate the area under the
curve f(x) = x^2 and x= 0 and x= 1.
==> A2 = intg f(x)
dx
= intg x^2
dx
= x^3 /3 +
C
==> A2 = 1/3 - 0 = 1/3
Then,
the area between y and f(x) is:
A = A1 - A2 = 1/2 - 1/3 =
1/6
Then the area = 1/6 square
units.
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