Q11

1. Differentiate sin^-1 (
   2x / 1+x²
   ) w.r.t.cos^-1
   1-x² / 1+x²

   Solution

   
2. Differentiate tan^-1
   3x-x³ / 1-3x²
   w.r.t.tan^-1
   2x / 1-x²

   Solution

   

Solution

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