Question

Mohon bantuannya ya guys​

Answer 1

A = (1 a+b)

(b c)

B = (a-1 0)

(-c d)

Bt = (a-1 -c)

(0 d)

C = (1 0)

(1 1)

jika

A+Bt = C

*)1+a-1 = 1

a = 1

*)b+0 = 1

b = 1

*)a+b-c = 0

1+1+c = 0

c = 2

*)c+d = 1

2+d = 1

d = -1