Question

x²+1÷x²= 7 so x+1÷x = ?​

Answer 1

Answer:

3

Step-by-step explanation:

We can find

${(x + \frac{1}{x} )}^{2} = {x}^{2} + \frac{1}{ {x}^{2} } + 2 \times x \times \frac{1}{x}$

${(x + \frac{1}{x} )}^{2} = 7 + 2$

$x + \frac{1}{x} = \sqrt{9}$

$x + \frac{1}{x} = 3$

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