If x^2 + 1 = 4x, find: 1)x - 1/x 2) x^2 - 1/x^2
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Given, x=3+2√2 Inverse equatio, 1/x=1/3+2√ 2 =>1/x=(3–2√2){(3+2√2)(3–2√2)} =>1/x=(3 –2√2)/{(3)²-(2√2)²} =>1/x=(3–2√2)/(9–8) ...
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this is the answer in the picture
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