Q.3 A = 1 -2 3 4 , B = 0 7 -3 8 Verify that 3A −2 B

Q.4 If 2 4 -3 a + 1 b 8 -4 = 7 10 18 1 then find a and b.

Q.5 If A = 1 2 0 1 Verify that (At)t = A
please help me i will mark you brainslist