Class – XII (Year 2009)
Subject – Mathematics - (Foreign)

General Instructions:
(i) All questions are compulsory.
(ii) Marks for each question are indicated against it.
(iii) Use of Calculators is not permitted.

1. Find the direction cosine of the line passing through the following points :
   (-2, 4, -5) , (1, 2, 3)
2. Show that the total surface area of a closed cuboid with square base and given volume, is minimum, when it is a cube?

(E-Book) CBSE Board Class 12th Papers PDF : Mathematics

Courtesy: cbse.nic.in