Pre UPS 2

• A

• B

• C

• D

• -5

• -2

• 2

• 5

• A

• B

• C

• D

• A

• B

• C

• D

Which of the following is/ are CORRECT about singular matrix?

I. Determinant is 0

II. Inverse does not exist

III. 2 rows or columns are the same

• I & II

• I & III

• II & III

• I, II & III

• A

• B

• C

• x=p+2q+3r,

  y=2p+3q+4r,

  z=5p+6q+7r

• x=2p+4q+6r,

  y=4p+6q+8r,

  z=10p+12q+14r

• x=2,

  y=4,

  z=10

• x=p,

  y=q,

  z=r

• A

• B

• C

• A

• B

• C

• D