Form the differential equation of the family of circles in the first quadrant which touch the coordinate axes.
The equation of a circle in the first quadrant with centre (a, a) and radius (a) which touches the coordinate axes is:
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Solution Form the Differential Equation of the Family of Circles in the First Quadrant Which Touch the Coordinate Axes. Concept: Procedure to Form a Differential Equation that Will Represent a Given Family of Curves.