3y(2y-x)
a(16-a^2)=a(4-a)(4+a)
12x^2+8x-15x-10>0
12x^2-7x-10>0
D=(-7)^2-4*12*(-10)=49+480=529
x1=7+23/2*12=30/24=10/8=5/4
x2=7-23/2*12=-16/24= - 4/6= - 2/3
<span>g^ 3p^ 9t^ 36=(gp^3t^12)</span>³
---------------------------------------
sin²x = (1-cos2x)/2
cos²x = (1+cos2x)/2
sin²π/12 * cos²π/12 = (1-cosπ/6)*(1+cosπ/6)/2*2 = (1 - cos²π/6)/4 = (1 - (√3/2)²)/4 =
= (1 - 3/4)/4 = (1/4)/4 = 1/16
Ответ: 1/16