The product of two numbers is 120 and the sum of their squares is 289. The sum is: Choose the most appropriate option
A) 23
B) 21
C) 43
D) 56
E) 30
xy = 120 and x2 + y2 = 289.   (x + y)2 = x2 + y2 + 2xy = 289 + (2 x 120) = 529   x + y = 529 = 23.   23NSWER 23
<result>A</result>
The product of two numbers is 120 and the sum of their squares is 289. The sum is: