Question

find the value of x+y if x²+y²=19 and xy=3​

Answer 1

Answer:

5

Step-by-step explanation:

${x}^{2} + {y}^{2} = 19 \\ 2xy = 6 \\ {x }^{2} + {y}^{2} + 2xy = 19 + 6 \\ {(x + y)}^{2} = 25 \\ x + y = 5$

Answer 2

this is the required answer hope it help