A 2X2 matrix M is given by(a b)(c d)Given that a = 13,b = 33 and c = 24,what is the value of d such that the matrix M is singular.Give your answer to the nearest integer.
问题描述:
A 2X2 matrix M is given by
(a b)
(c d)
Given that a = 13,b = 33 and c = 24,what is the value of d such that the matrix M is singular.
Give your answer to the nearest integer.
答
|A|=0
d=bc/a=33*24/13=60.92
答
Singular matrix,a matrix that is not invertible.
| 13 33 |=0
| 24 d |
13d=24*33
d=24*33/13
d=60.9……≈61