(16/х+х+3)'=-16/х^2+1
х^2=-16
х=-(-4)
точка максимума-4
(8y + 2) - (5y + 3) = 5
8y + 2 - 5y - 3 = 5
3y = 5 - 2 + 3
3y = 6
y = 2
<span>2a^3+54b^4=2(а^3+27b^4)</span>
х3*х7:х=х9.....................
75²⁰ = (25 * 3)²⁰ =(5² * 3)²⁰ = 5⁴⁰ * 3²⁰
45¹⁰ * 5³⁰ = (5 * 9)¹⁰ * 5³⁰ = 5¹⁰ * (3²)¹⁰ * 5³⁰ = 5⁴⁰ * 3²⁰
5⁴⁰ * 3²⁰ = 5⁴⁰ * 3²⁰ ⇒ 75²⁰ = 45¹⁰ * 5³⁰