<span>log11(32)/log11(4) = <span>log11(2^5)/log11(2^2)=5<span>log11(2)/2log11(2)=5/2=2 1/2=2.5</span></span></span>
- 0,2 * ( - 10 )^2 = - 0,2 * 100 = - 20
- 20 + 55 = 35
Ответ 35
А)4(4а^4 - a^3 + 2a^2)
b) (x-2)(7 - x)
A₁ = - 2
a₂ = a₁ + d = - 2 - 4 = - 6
a₃ = a₂ + d = - 6 - 4 = - 10
a₄ = a₃ + d = - 10 - 4 = - 14
a₅ = a₄ + d = - 14 - 4 = - 18