А) (4а⁴)²
б) (8а^5×b³)²
в) (0,6а^6×6b²)²
X⁵+4x⁴/x⁴+4x³=x⁴(x+4)/x³(x+4)=x x=-0.6 x⁵+4x⁴/x⁴+4x³=-0.6
S6 = (a1 + a6)·6/2 = (а1 + а1 + 5d)·3 = (2a1 +5d)·3
d=-1 1/3 - (-3 2/3) = -1 1/3 + 3 2/3 = 2 1/3 = 7/3
S6 = (2·(-3 2/3) + 5·7/3)·3 =(-22/3 + 35/3)·3 = 13/3·3 = 13
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