x=3-2√2 find x² +1/x²
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Answer:
Given x= 3- 2√2
x^2 + 1/ x^2 = (3-2√2)^2 + 1/ (3-2√2)^2
= 17-12√2 + 1 / 17-12√2
= 17-12√2+17+12√2 (Division by Conjugation of 17-12√2)
= 17+17
= 34
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