Oblicz:
Proszę mi to rozpisać.
= (v2/2)^2 - (v3/2)^2 = 2/4 - 3/ 4 = -1/4
v to pierwiastek
(√2/2 -√3/2 ) ·(√2/2 +√3/2) =(√2/2)² -(√3/2)² =2/4 - 3/4 = -¼ =-0,25
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= (v2/2)^2 - (v3/2)^2 = 2/4 - 3/ 4 = -1/4
v to pierwiastek
(√2/2 -√3/2 ) ·(√2/2 +√3/2) =(√2/2)² -(√3/2)² =2/4 - 3/4 = -¼ =-0,25