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Important Questions

CBSE Guess > Papers > Important Questions > Class XII > 2010 > Maths > Mathematics By Mr. Anil Kumar Tondak

CBSE CLASS XII

Determinants

Q. 1. Prove that  :

 

Q. 2. Find the equation of the line joining A(1,3) and B(0,0) using determinants and find  if D (K, 0) is a point such that area of a triangle ABD is 3 square units.

Q. 3. If 

A =    

Verify that A3 – 6A2 + 9A – 4I = 0 and hence find A-1

Q. 4. Prove that :

Q. 5. Solve by matrix method:

2x + y + z = 1
  x  - 2y – z  = 3/2
 3y -  5z = 9

Q. 6. Prove that :

 

Q. 7. Prove that :

Q. 8. Solve :

 

Paper By Mr. Anil Kumar Tondak
Email Id : [email protected]