Question
Let {x + (1/x)} = 4, then Determine the value of {x² +
(1/x²)}Solution
ATQ,
Given; {x + (1/x)} = 4
On squaring both sides, we have;
{x + (1/x)} ² = 4²
Or, {x² + (1/x) ² + 2 × x × (1/x)} = 16
So, {x² + (1/x) ²} = 14
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