y=cos^2(x^2-x)求导,答案是-2cos(x^2-x)sin(x^2-x)(2x-1)
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y=cos^2(x^2-x)求导,答案是-2cos(x^2-x)sin(x^2-x)(2x-1)
y=cos^2(x^2-x)求导,答案是-2cos(x^2-x)sin(x^2-x)(2x-1)
y=cos^2(x^2-x)求导,答案是-2cos(x^2-x)sin(x^2-x)(2x-1)
y=cos²(x²-x)
y'=2cos(x²-x)×[cos(x²-x)]'×(x²-x)'
y'=2cos(x²-x)[-sin(x²-x)](2x-1)
y'=2(1-2x)sin(x²-x)cos(x²-x)
y=cos^2(x^2-x)求导,答案是-2cos(x^2-x)sin(x^2-x)(2x-1)
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