Ex + 2e2x+ex
y' = 1- √(e2x+ex+1) = 2+ex+√(e2x+ex+1)-ex√(e2x+ex+1)-2e2x-ex =
2+ex+2√(e2x+ex+1) 2+ex+2√(e2x+ex+1)
= (2-ex)√(e2x+ex+1)+2+ex-2ex
2+ex+2√(e2x+ex+1)
<span>а1=40,d= - 2
a17=a1+16d=40-32=8</span>
4.5/18=х/2.5
18х=4.5×2.5
18х=11.25
х=62,5
(-oo < x, x < oo)Даю 30 баллов!
1. (x^2-2x-x+2)(x^2-4x-3x+12)=x^4-7x^3+12x^2-3x^3+21x^2-36x+2x^2-14x+24=x^4-10x^3+24x^2-50x+24/
2. -x^4+4x^3-17x^2+34x-36