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If (x+α)²+(y-α)²=α² then prove that (x+yy1)²=(x+y)²(y1²+1) [Where y1=dy/dx] |
| Answer» If (x+α)²+(y-α)²=α² then prove that (x+yy1)²=(x+y)²(y1²+1) [Where y1=dy/dx] | |