Ответы на вопрос:
=((sin^2 ))^2 +(cos^2 x)^2) -sin^2 x cos^2 x +3sin^2 x cos^2 x *(cos^2 x + +sin^2 x)=(sin^2 x)^2 +(cos^2 x)^2 +2sin^2 x cos^2 x=(sin^2 x+cos^2 x)^2=1
(3х²-х+11)(2х³-х²+3х-5)= = 3x²·3x - x·(-x²) + 11·2x³+= 9x³ + x³ + 22x³ += 32x³+
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