Multivariable CalculusMediumLines & Planes in Space ShareLines & Planes in Space · Medium problemFor which positive number ddd is the plane x+2y+2z=dx + 2y + 2z = dx+2y+2z=d at distance 222 from the point (1,1,1)(1, 1, 1)(1,1,1)?Check Show answer Walk through it step by step Practice more like this Review this concept