Question

9. If (x + y) = 11 and xy = -2, then find the value of x^2 + y^2.​

Answer 1

Answer:

The answer is in hand written form

Step-by-step explanation:

Answer 2

Step-by-step explanation:

${(x + y)}^{2} - 2xy = {x}^{2} + {y}^{2} \\ {11}^{2} - 2 \times ( - 2) = \\ 121 - ( - 4) = \\ 125 = {x}^{2} + {y}^{2}$

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