1.

The number of values of alpha in [-10pi, 10pi] for which the equations (sin alpha)x-(cos alpha)y+3z=0, (cos alpha)x+(sin alpha)y-2z=0 and 2x+3y+(cos alpha)z=0 have nontrivial solution is

Answer»

10
20
40
15

Answer :B


Discussion

No Comment Found

Related InterviewSolutions