1.

If x =3+2 root 2 find x + 1/x

Answer»

Step-by-step EXPLANATION:

x=3+√2

x+1/x = 3+2√2 + 1/3+2√2

rationalize:-

1/3+2√2 × 3-2√2/3-2√2 =

3-2√2/9-8 = 3-2√2

3+2√2 + 3-2√2

=6



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