Value of lambda such that the line (x-1)...

Value of `lambda` such that the line `(x-1)/2=(y-1)/3=(z-1)/lambda` is `_|_` to normal to the plane ` vec rdot(2 vec i+3 vec j+4 vec k)=0` is a. `-(13)/4` b. `-(17)/4` c. `4` d. none of these

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