Question

If x=root5-2, then find x-1/x and xsquare -1/x square

Answer 1

Solution:

Refer to the attachment above for your answer dear :)

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Answer 2

Answer:

x-1/x=4

Explanation:

x=root5-2

1/x=root5+2(by rationalising)

after subtraction of xand 1/x the answer is 4