а) 12√2+√32-√200 = 12√2+4√2-4√50 = 16√2-4√50 ≈ 11.31б) √16х-5√x+√81х = 4√x-5√x+9√x = 8√xв) (√3-√12)^2+12 = (√3-2√3)^2+12 = (-√3)^2+12 = 3+12 = 15
х^2/5√x = x^(2-1/2) = x^(3/2) = √(x^3)
а) (h-36)/√h-6 = (h-36)/√h-6 √h/√h = (h√h-36√h)/(√h√h) = (h√h-36√h)/h = √h-36б) (98-2x)/√x-7 = (98-2x)/√x-7 √x/√x = (98√x-2x√x)/(√x√x) = (98√x-2x√x)/x = 98/x - 2√x
а) 12√2+√32-√200 = 12√2+4√2-4√50 = 16√2-4√50 ≈ 11.31
б) √16х-5√x+√81х = 4√x-5√x+9√x = 8√x
в) (√3-√12)^2+12 = (√3-2√3)^2+12 = (-√3)^2+12 = 3+12 = 15
х^2/5√x = x^(2-1/2) = x^(3/2) = √(x^3)
а) (h-36)/√h-6 = (h-36)/√h-6 √h/√h = (h√h-36√h)/(√h√h) = (h√h-36√h)/h = √h-36
б) (98-2x)/√x-7 = (98-2x)/√x-7 √x/√x = (98√x-2x√x)/(√x√x) = (98√x-2x√x)/x = 98/x - 2√x