Question

X²y²/2xyar man bahir koro jokhon x+y=9,x-y=5

Answer 1

Answer:

x+y=9

x-y=5

adding equation 1 and 2

then, x+y+x-y=9+5

         2x=14

            x=7

            y=2

therefore x^2y^2/2xy=49x4/2x14

                                   =7