The distance of the plane \(r \cdot\left(\frac{2}{7} \hat{i}+\frac{3}{7} \hat{j}-\frac{6}{7} \hat{k}\right)=1\) from the origin is
A. 1
B. 7
C. \(\frac{1}{7}\)
D. None of these
Answer:A
The distance of the plane \(r \cdot\left(\frac{2}{7} \hat{i}+\frac{3}{7} \hat{j}-\frac{6}{7} \hat{k}\right)=1\) from the origin is
A. 1 B. 7 C. \(\frac{1}{7}\) D. None of these