Question

if x+y = 7/2 and xy = 5/2 ; find.

1. x-y
2. x 2 - y2​

Answer 1

Answer:

1). X-Y is 3/2

2). X²-Y² is 21/4

Step by step explanation in pages

Answer 2

Answer:

1. x-y = ±3/2

2. ±21/4

hope this helps