UPSC NDA I 2010 Mathematics Paper

© examsiri.com

Question : 11 of 120

Marks: +1, -0

A vector

→

b

is collinear with the vector

→

a

=(2,1,−1) and satisfies the condition

→

a

⋅

→

b

=3. What is

→

b

equal to?

(1,1∕2,−1∕2)
(2∕3,1∕3,−1∕3)
(1∕2,1∕4,−1∕4)
(1,1,0)

Go to Question:

Prev Question

Next Question