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(i) Find common tangent between curves y...

(i) Find common tangent between curves `y=x^(3) " and " 112x^(2) +y^(2) =112`
(ii) Find common normals of the curves `y=(1)/(x^(2)) " and "x^(2) +y^(2) -y=0`

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The correct Answer is:
(i) y=12x -16 or y =12x +16 (ii) x-2y +1 = 0 or 2y +x -1=0
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