Question

if x²+y²=14 and xy=2½ find the value of x-y​

Answer 1

Step-by-step explanation:

x-y = √x²+y²-2xy === √14-5=√9 = 3

Answer 2

Step-by-step explanation:

(x - y)^2 = x^2 + y^2 - 2xy

x^2 + y^2 = 14 given

xy = 5/2

A/q

14 - 2 × 5/2

14 - 5

9

(x - y)^2 = 9

x - y = 3 Ans.