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If (x-a)²+(y-a)²=a² ,then prove that (x+yy1)² = 2(y1+1)(x+yy1)(x+y) - (x²+y²)(y1+y)² [Where y1=dy/dx] |
| Answer» If (x-a)²+(y-a)²=a² ,then prove that (x+yy1)² = 2(y1+1)(x+yy1)(x+y) - (x²+y²)(y1+y)² [Where y1=dy/dx] | |