If plane `ax+y+z=7` has equal intercepts on axes, then `a` is equal to

If the plane x + ay + z=5 has equal intercepts on axes, then the value of a is

Find the equation of the plane which cuts equal intercepts on the axes and passes through the point (2,3,5).

Find the equation of the plane which cuts equal intercepts on the axes and passes through the point (2,3,5).

A line has intercepts a and b on the coortdinate axes.When the axes are rotateed through an angle alpha, keeping the origin fixed, the line makes equal intercepts on the coordinate axes,then tan alpha=

Equation of plane passing through (2,1,3) making equal intercepts on X-axes and Y-axes, and having Z-intercept 4, is

The equation of a plane which cuts equal intercepts of unit length on the axes is

The equation of a plane which cuts equal intercepts of unit length on the axes is