Please solve the equation...
help Please.
solve it Please Please
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(x + 1/x)² = 3²
x² + 2 . x . 1/x + 1/x² = 9
x² + 1/x² + 2 = 9
x² + 1/x² = 9 - 2
x² + 1/x² = 7
(x² + 1/x²)² = 7²
x⁴ + 2 . x² . 1/x² + 1/x⁴ = 49
x⁴ + 2 + 1/x⁴ = 49
x⁴ + 1/x⁴ = 49 - 2
x⁴ + 1/x⁴ = 47
x² + 2 . x . 1/x + 1/x² = 9
x² + 1/x² + 2 = 9
x² + 1/x² = 9 - 2
x² + 1/x² = 7
(x² + 1/x²)² = 7²
x⁴ + 2 . x² . 1/x² + 1/x⁴ = 49
x⁴ + 2 + 1/x⁴ = 49
x⁴ + 1/x⁴ = 49 - 2
x⁴ + 1/x⁴ = 47
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x² + 2 . x . 1/x + 1/x² = 9
x² + 1/x² + 2 = 9
x² + 1/x² = 9 - 2
x² + 1/x² = 7
(x² + 1/x²)² = 7²
x⁴ + 2 . x² . 1/x² + 1/x⁴ = 49
x⁴ + 2 + 1/x⁴ = 49
x⁴ + 1/x⁴ = 49 - 2
x⁴ + 1/x⁴ = 47