1.
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( √(√2- 1,5)² -∛(1 -√2)³ )² +0,75 =(1,5 -√2 -(1-√2) )² +0,75 =0,5² +0,75 =1.
* * * ! √ (√2- 1,5)² = |√2- 1,5| = -(√2- 1,5) =1,5 - √2. * * *
2.
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( (2+ x^1/4 )/(2 -x^1/4) - (2- x^1/4 )/(2+x^1/4) ) * (4 -√ x ) / x^ 3/4 =
( (2+ x^1/4 )² - (2- x^1/4 )² ) )/( 4 - √ x) * (4 -√ x ) / x^ 3/4 =
=8*x^1/4 / x^3/4 =8 / x^(-1/2) =8 / √x * * * 8√x / x * * *