If x2 + y2 = 29 and xy = 2, find the value of x + y

1.	If x2 + y2 = 29 and xy = 2, find the value of x + y
Answer» Given, x + y We know that x² + y² = 29 x²+ y² + 2xy – 2xy = 29 (x + y)² – 2 (2) = 29 (x + y)² = 29 + 4 x + y = ± √33

Answer»

Given,

x + y

We know that

x² + y² = 29

x²+ y² + 2xy – 2xy = 29

(x + y)² – 2 (2) = 29

(x + y)² = 29 + 4

x + y = ± √33

Discussion

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