if x =1+√2 then find the value of (x-1/x)²
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Que.1.6/(3√2-2√3)
Rationalising the denominator we have,
6 (3√2+2√3)
----------------×----------------
(3√2-2√3) (3√2-2√3)
18√2+12√2
------------------
(3√2)²-(2√3)²
(18+12)√2
--------------
18-12
30√2
---------
6
=5√2 Ans.
Rationalising the denominator we have,
6 (3√2+2√3)
----------------×----------------
(3√2-2√3) (3√2-2√3)
18√2+12√2
------------------
(3√2)²-(2√3)²
(18+12)√2
--------------
18-12
30√2
---------
6
=5√2 Ans.
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