Skip to content
Philoid
Browse Saved
Back to chapter
Maths
4. Determinants
Home · Class 12 · Maths · Mathemetics Part-I · 4. Determinants
Prev
Next
Q1 of 127 Page 136

Examine the consistency of the system of equations.

x + 2y = 2


2x + 3y = 3

The given system of equations is:

x + 2y = 2


2x + 3y = 3


The given system of equations can be written in the form of AX = B, where



Now |A| = 3(1)-2(2) = -1 ≠ 0.


∴ A is a non-singular matrix and hence A-1 exists.


So, The system of equations will be consistent.


More from this chapter

All 127 →
17

Let A be a non-singular square matrix of order 3 × 3. Then |adj A| is equal to

18

If A is an invertible matrix of order 2, then det (A–1) is equal to

2

Examine the consistency of the system of equations.

2x – y = 5


x + y = 4

3

Examine the consistency of the system of equations.

x + 3y = 5


2x + 6y = 8

Questions · 127
4. Determinants
1 2 2 3 5 5 5 5 5 6 7 7 8 1 2 3 4 5 6 7 8 8 9 10 10 11 11 12 13 14 15 16 1 1 1 2 3 3 4 4 5 1 1 2 2 3 4 5 1 2 3 4 5 6 7 8 9 9 10 12 13 14 15 16 17 18 1 1 2 2 3 4 5 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1 2 3 4 5 6 7 8 8 9 10 11 12 13 14 15 16 17 18 19
Back to chapter
ADVERTISEMENT
About Contact Privacy Terms
Philoid · 2026
  • Home
  • Search
  • Browse
  • Quiz
  • Saved