Question

if x is equal to 5 minus 2 root 6 find the value of x square + 1 by x square

Answer 1

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Answer 2

x = 5 - 2√6

x² = (5 - 2√6)²

x² = 25 + (4 × 6) - 2×5×2√6

x² = 25 + 24 - 20√6

x² = 49 - 20√6

•°•( x² + 1 )/x² = (49-20√6+1)/(49-20√6)

(x²+1)/x² = (50-20√6)/(49-20√6)
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