What is a family .
Family is defined as a group of people consisting children, parents, aunts, uncles, cousins and grandparents.
Following bar chart represents the number of childern in a family
What is the maximum number of children in a family ?
Equation of a family of curve is y2=ax3, what is the differential equation of the family of its orthogonal trajectory?
Equation of a family of curve is siny=kex2, what is the differential equation of the family of its orthogonal trajectory?