Question

What is the value of x square + 1/x square when x = 3+2 root 2

Answer 1

Answer:

6

Step-by-step explanation:

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Answer 2

Answer:

x = 3 + 2√2 (Given) 1/x = 1/3 + 2√2 Rationalization of 1/x 1*3 - 2√2 / 3 + 2√2 * 3 - 2√2 = 3 - 2√2 So, now we know that x = 3 + 2√2 1/x = 3 - 2√2 x + 1/x = 3 + 2√2 + 3 - 2√2 = 3 + 3 =6