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The differential equation representing the family of circles with their centres on x−axis and whose radius is equal to the distance from from (−1,2) to the line 3x+4y−15=0, is given by y2[(dydx)2+k]=4, then k2+5 is equal to

Answer» The differential equation representing the family of circles with their centres on x−axis and whose radius is equal to the distance from from (−1,2) to the line 3x+4y−15=0, is given by y2[(dydx)2+k]=4, then k2+5 is equal to


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