Ask a Question


Question Asked by a Student from EXXAMM.com Team


Q 2117180980.    

Assertion : The direction ratios of the line joining origin and point `(x, y, z)` must be `x,y, z`.

Reason : If `P (x, y, z)` is a point in space and `OP = r`, then direction cosines of `OP ` are `x/r ,y/r, z/r`.

A Both A and R individually true and R is the correct explanation of A
B Both A and R are individually true but R is not the correct explanation of A
C A is true but R is false
D A is false but R is true

HINT


Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

Find instant solution to any question from our database of 1.5 Lakh + Questions

 


Access free resources including

  • 100% free video lectures with detailed notes and examples
  • Previous Year Papers
  • Mock Tests
  • Practices question categorized in topics and 4 levels with detailed solutions
  • Syllabus & Pattern Analysis

Engineering


Medical


Banking


DEFENCE


SSC


RRB


CBSE-NCERT


OLYMPIAD