12th Class Mathematics Continuity and Differentiability

  • question_answer 145) If    

    Answer:

                .       Squaring both sides             Diff. w.r.t. x, again       (1 ? x2) 2y1 y2 + y12 (?2x) = a2 . 2y y1        Dividing both sides by 1y1, we get       (1 ? x2) y2 ? xy1 ? a2y = 0       Hence the result.                              


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