Question

x+y if x-y=2√3 and xy =1​

Answer 1

Answer:

x - y = 2√3 given

-y = -x + 2√3 subtract x from both sides

y = x - 2√3 multiply both sides by -1

xy = 1 given

x(x - 2√3) = 1 substitution

x2 - 2x√3 = 1 distribute

x2 - 2x√3 - 1 = 0 subtract 1 from both sides

Step-by-step explanation:

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