A1 = 0
a2 = 6
d = 6
a10 = a1 + 9d = 0 + 9*6 = 54
S10 - ?
S10 = 5*(a1 + a10) = 5*(0 + 54) = 54*5 = 270
(√96-√54) умножить √6= (√6*√96 - √6*√54) =√576 - √324=24-18=6
<span>(x-1)(х²+ х+1) -х²(х-1)=0
</span><span>(x-1)(х²+ х+1 -х²)=0
(x-1)(x+1)=0
x-1=0 или х+1=0
х=1 х=-1
Ответ: -1; 1
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