Math, asked by devangidevanshi123, 5 hours ago

x=3-2√2 find x² +1/x²​

Answers

Answered by padmapadmasree06
0

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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