The equations of the tangents at the origin to the curve y2=x21+x+x2 is

Given curve is y2=x21+x+x2                          ⇒y=±x2+x3+x4  ⇒dydx=±2x+3x2+4x32x2+x3+x4=±2+3x+4x221+x+x2       at 0,0 ,m=±1       equation of tangent at  0,0 is y=±x