1.

If x + 1x = 4, then the value of x² + 1x2​

Answer»

Step-by-step EXPLANATION:

x + 1x = 4 \: \: or \: \: x + x = 4 \\ 2x = 4 \: \: or \: \: x = \frac{4}{2} = 2 \\ \\ {x}^{2} + 1 {x}^{2} = 2 {x}^{2} \\ = 2 \times {2}^{2} = 8


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