Question

X is equals to root 13 + 2 root 3 find the value of x minus one by X

Answer 1

hope this will help you

Answer 2

X=13+2 root3

1/X = 1/13+2 root3

=root13-2 root3 (After rationalizing)

X-1/x = (root13+2root3)-(root13-2root3)

X-1/x = root13+2root3-root13+2root3

X-1/x = 2root3+2root3

X-1/x = 4 root3 Ans.

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