Question

If x=3+2√2 find the value of x² +1/x²​

Answer 1

Answer:

therefore, 1/x= 1/3+2 root 2, which by rationalisation = 3- 2 root 2/ 1

therefore, x^2 + 1/x^2 = 3+ 2 root 2 + 3 - 2 root 2.

here 2 root 2 and 2 root 2 get cut since +x and - x= 0

and 3 + 3 = 6 which is the answer

Step-by-step explanation:

Answer 2

Answer:

the answer is 34.

refer to the attachment for the solution.

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