Find the Differential Equation of Family of Circles Tangent to the X-axis! Thank you to those who will help :)))

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- July 21st 2013, 01:37 AMjellchavezHELP! D.E.of a family of circles tangent to the x-axis :))
Find the Differential Equation of Family of Circles Tangent to the X-axis! Thank you to those who will help :)))

- July 21st 2013, 02:04 AMProve ItRe: HELP! D.E.of a family of circles tangent to the x-axis :))
Have you tried anything yet?

- July 21st 2013, 03:15 AMjellchavezRe: HELP! D.E.of a family of circles tangent to the x-axis :))
Not yet! But I see some examples of circles with center on the x-axis

- July 21st 2013, 03:17 AMProve ItRe: HELP! D.E.of a family of circles tangent to the x-axis :))
It might be a good start to think about what the equation of a circle that has the x-axis as a tangent would look like.