Question

if x= √2 find the value of x-1/x
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Answer 1

Step-by-step explanation:

x=1+|2

now

(x−(x1))3=(1+2−(1+21))3

=[1+|2−(2+11)×(2−12−1)]3

=[1+2−(2−1)]3

=(1+2−2+1)3=23=8

Answer 2

Step-by-step explanation:

=√2-1/√2

=√2-√2/2

=2√2-√2. (denominator cancelled)

= √2 is the answer

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