Объяснение:
1) -1•(2×1 - √3/2) = √3/2 - 2 = √3 - 4
2) √3•(√3/2 - 3/2) = 3/2 - 3√3/2=3((1-√3)/2)= 1,5(1-√3)
3) √2/2•(2×1- 3/2)= √2/2× 1/2= √2/4
Объяснение:
1) -1•(2×1 - √3/2) = √3/2 - 2 = √3 - 4
2) √3•(√3/2 - 3/2) = 3/2 - 3√3/2=3((1-√3)/2)= 1,5(1-√3)
3) √2/2•(2×1- 3/2)= √2/2× 1/2= √2/4