Question

Considere a matriz ,

A= 3 0 k 9

5 7 1 -2

7 0 6 -3

2 0 1 5

Determine para qual valor de k a matriz A possui inversa

Answer 1

Resposta:

1. in a factory ,53 workers receive a wage of RS 7,576 each per month. find the total wages received by all the workers for one financial year Also, find the annual wage of 1 worker.