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If y^(1/m)=(x+sqrt(1+x^2)),t h e n(1+x^2...

If `y^(1/m)=(x+sqrt(1+x^2)),t h e n(1+x^2)y_2+x y_1` is (where `y_r` represents the `r t h` derivative of `y` w.r.t. `xdot` (a)`m^2y` (b) `m y^2` (c) `m^2y^2` (d) none of these

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