А)А=n(2степень),В=n
Б)А=5,В=5(2степень)
В)А=4x2,B=6xy,C=9y2
Г)А=16a2,B=12ab,C=9b2
6*(-π/4) + 2*(5π/6) - 5*(π/3) + 3*(2π/3) =
-6π/4 + 5π/3 - 5π/3 + 2π = π/2
D = 64 - 4*4*3 = 64 - 48 = 16
V D = 4
X1 = ( 8 + 4 ) : 8 = 1.5
X2 = 4 : 8 = 0.5
4X^2 - 8X + 3 = ( X - 1.5)*(X - 0.5)