Question

if the value of x2+y2=116 and xy=14 then find the value of x+y​

Answer 1

Step-by-step explanation:

x² + y² = 116

(x+y)²-2xy = 116

(x+y)²-2(14) = 116

(x+y)² = 116+28

(x+y)² = 144

x+y = 12