The length of the perpendicular form the origin to the plane passing through the point `a` and containing the line ` vec r= vec b+lambda vec c` is a. `([ vec a vec b vec c])/(| vec axx vec b+ vec bxx vec c+ vec cxx vec a|)` b. `([ vec a vec b vec c])/(| vec axx vec b+ vec bxx vec c|)` c. `([ vec a vec b vec c])/(| vec bxx vec c+ vec cxx vec a|)` d. `([ vec a vec b vec c])/(| vec cxx vec a+ vec axx vec b|)`

Options

A. `([vecavecbvecc])/([vecaxxvecb+ vecbxx vecc+vecc xx veca])`
B. `([vecavecbvecc])/([vecaxxvecb+ vecbxx vecc])`
C. `([vecavecbvecc])/([vecb xx vecc+ veccxx veca])`
D. `([vecavecbvecc])/([vecc xx veca+ vecaxx vecb])`

Answer

C