Question

if x^2 + y^2 = 29 , xy = 2 , find the value of x-y .​

Answer 1

Answer:

±5

Step-by-step explanation:

x² + y² = 29

(x-y)² + 2xy = 29

(x-y)² + 2(2) = 29

(x-y)² = 29-4

(x-y)² = 25

x-y = √25

x-y = ±5

Answer 2

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