Matrix A is given. Find appropriate identity matrices Im and In such that ImA = A and AIn = A.A =  

A. Im = , In = 
B. Im = , In =
C. Im = , In = 
D. Im = In = 

Answer: D

Mathematics

You might also like to view...

Solve the problem.Find the smallest positive angle, to the nearest degree, between the lines l1 and l2.l1: l2: .

A. 173° B. 30° C. 135° D. 45°

View
Mathematics

Simplify.22 + 27 ? 20

A. 614 B. 980 C. 69 D. 562

View
Mathematics

Simplify.

A. 128 B. 16 C. 17 D. Not a real number

View
Mathematics

Solve the polynomial inequality.(x + 10)(x + 4)(x - 1) > 0

A. (1, ?) B. (-?, -4) C. (-?, -10) ? (-4, 1) D. (-10, -4) ? (1, ?)

View
Mathematics