UPSC NDA I 2012 Mathematics Paper

© examsiri.com

Question : 110 of 120

Marks: +1, -0

What is the area of the rectangle having vertices A,B, C and D with position vectors −

∧

i

+‌

1

2

∧

j

+4

∧

k

,

∧

i

+‌

1

2

∧

j

+4

∧

k

,

∧

i

−‌

1

2

∧

j

+4

∧

k

and −

∧

i

−‌

1

2

∧

j

+4

∧

k

?

1∕2 square unit
1 square unit
2 square unit
4 square unit

Go to Question:

Prev Question

Next Question