= 4/13 * 6,5n - 4/13 * 13/4 m + 3,2 * 5/8 n - 3,2 * 0,5m = 2n-m+2n-1,6m = 4n-2,6m
Решение:
f'(x) = 3x^2+6x+1
<span>х</span>²<span>=2х+8
х</span>²-2х-8=0
<span>D=b</span>²-4ac=2²-4*1*(-8)=4+32=36
<span>x1=-b+</span>√D/2a=2+6/2=8/2=4
<span>x2=-b-</span>√D/2a=2-6/2=-4/2=-2
<span>Ответ: х1=-2, х2=4
</span>
3√32=√9*32=√288
16*16=√256
17*17=√289
Между 16 и 17