Question

find the value of x^2 + y^2 , when , x-y = 11 and xy=1 7
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Answer 1

Answer:

${a}^{2} + {b}^{2} \\ = (a - b)^{2} + 2ab \\ = {11}^{2} + 2 \times 17 \\ = 155$

the answer is 155

Step-by-step explanation:

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