Question

find the value of p such that the matrix [-1 2 4 p] is singular​

Answer 1

Answer:

can you please tell answer

Answer 2

Answer:

-8

Step-by-step explanation:

for a matrix to be singular, its determinant should be zero

|(-1 2) (4 p)| = 0

-1*p - 4*2 = 0

-p -8 = 0

p = -8