Question Asked by a Student from EXXAMM.com Team

Q 2631780622.

Assertion : If vec r = x hat i + y hat j + z hat k ' then equation vec r xx (2 hat i - hat j + 3 hat k) = 3 hat i + hat k represents a straight line.

Reason : If vec r = x hat i + y hat j + z hat k , then equation vec r xx ( hat i + 2 hat j - 3 hat k= 2 hat i - hat j represents a st. line

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

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

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