Question

If (x+ 3, 4 – y) = (1,7), then find (x – 3, 4 + y)

(b) If n(A) = 3, n(B) = 4, then find n(A × B)​

Answer 1

Answer:

×-3=-5

4+y=1

n(A×B)= 12

Step-by-step explanation:

equating these

x+3=1 and 4-y=7

x=-2 and y=-3

x-3=-2-3= -5

4+y= 4-3=-1