Question

If x = 3+2√2 find x-1/x

Answer 1

Answer:

x=3+2√2

1/x=1/3+2√2×3-2√2/3-2√2

=3-2√2/9-8

=3-2√2/1

x-1/x=3+2√2-(3-2√2).

=3+2√2-3+2√2.

=4√2

Step-by-step explanation:

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