Answer
True.
Work Step by Step
\[
\mathrm{A}=f(a, b,c )
\]
This yields a plane with normal vector $\mathrm{i}+2 \mathrm{j}+3 \mathrm{k}$,
which passes through $(\mathrm{A}, 0,0)$.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.