Математика контрольная работа РФЭИ

Assignments control work
the course "Mathematics"

The detailed solutions to all 15 jobs! Setting the attached to the answers!

1. Search for any value of the parameter α determinant
A = 0 ........

2. Find the value of the determinant A: ................

3. Find the trace of the matrix A: ..............

4. For a given matrix A below to find the sum of the elements ........
.....................................................................................................

10.Obemy three types of products issued by the company
"Plast" in December last year set vector ...............

11.Nayti vector length
a = 2 i + 3 j- 6k ..................

12. For what value of m vectors ............
13.Sostavit canonical equation of the line passing through M (1, 2, 4) 0 - perpendicular vector of a (3, 5, 0) ................... ....
14. Find the eccentricity of the hyperbola ................
15.Nayti coordinates of the foci of the ellipse
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Mathematics Examination 15 questions RFEI 2015 !!!
The detailed solution of tasks. Sami tasks attached