Inverse Of Matrix

Determine

• singular matrix

• coefficient matrix

• inverse matrix

Does the following have an inverse? 
⌈6  4⌉
⌊3  2⌋
*Inverse=

   ¹∕detA × ⌈d  −b⌉ ⌊−c  a⌋

• Yes

• No

What is the inverse of this matrix?

• _{(1/25)  (4/25)
  (-3/25)  (13/25)}

• _{(1/25)  (-4/25)
  (3/25)  (13/25)}

• _{(1/150)  (-4/150)
  (3/150)  (13/150)}

  
  

What is the inverse of the following matrix?
⌈4  −3⌉
⌊12  3⌋
*det= 38

• ⌈³∕₃₈  ³∕₃₈⌉
  ⌊−⁶∕₁₉  ²∕₁₉⌋

• ⌈²∕₁₉  −³∕₃₈⌉
  ⌊−⁶∕₁₉  ³∕₃₈⌋

  
  

• ⌈⁴∕₃₈  −³∕₃₈⌉
  ⌊¹²∕₃₈  ³∕₃₈⌋

Will this matrix have an inverse?

• Yes

• Unable to determine

• No