Question

If (x)=13,n(y)=12,n(xuy)=28 henna (xy) maths solutions​

Answer 1

Answer:

Step-by-step explanation:

x+y=12

(x+y)²=12² ( squaring both side )

x²+y²+2xy=144

x²+y²+2(14)=144 (xy=14)

x²+y²=144-28

x²+y²=116