$\"\"$

The equation of the plane:

The plane passing through the point $\"\"$ and perpendicular to the vector $\"\"$ then the equation of the plane is $\"\"$ .

$\"\"$

Find the equation of the plane passing through the origin and normal to the vector $\"\"$ .

Here $\"\"$ and $\"\"$

Substitute $\"\"$ and $\"\"$ in $\"\"$ .

$\"\"$

$\"\"$ .

Therefore, the equation of the plane is $\"\"$ .

$\"\"$

The equation of the plane is $\"\"$ .