GATE Mechanical Engineering Mathematics Set 2

1. The following Partial differential equation has

A: Degree 1 Order 2
B: Degree 1 Order 1
C: Degree 2 Order 1
D: Degree 2 Order 2

Ans: C: Degree 2 Order 1

2. The area of triangle formed by tips of vectors

Ans: B cross product gives area of parallelogram made by two vectors. 1/2 of the area gives area of triangle.