Find the area of the region bounded by the parabola y=x2 and y=|x|
The area bounded by the parabola,x2=y and the line,y=|x|,can be represented as
The given area is symmetrical about y-axis.
∴Area OACO=Area ODBO
The point of intersection of parabola,x2=y,and line,y=x,is A(1,1).
Area of ΔOAB=1/2×OB×AB=1/2×1×1=1/2
Area of OBACO=∫10ydx=∫10x2dx=[x3/3]10=1/3
⇒Area of OACO=Area of ΔOAB-Area of OBACO
=1/2-1/3
=1/6
Therefore,required area=2[1/6]=1/3units.
Determine whether each of the following relations are reflexive, symmetric, and transitive.
Show that the relation R in the set R of real numbers, defined as
R = {(a, b): a ≤ b2 } is neither reflexive nor symmetric nor transitive.
Check whether the relation R defined in the set {1, 2, 3, 4, 5, 6} as
R = {(a, b): b = a + 1} is reflexive, symmetric or transitive.