Ответы на вопрос:
1,76х+2,38х-х=3,14х=3,14*9= 28,26. 1,76х+2,38х-х=3,14х=3,14*100= 314. 1,76х+2,38х-х=3,14х=3,14*1000= 3140.
X^3+6x^2+((28x^2+2x-10)/(x-5))< =2(x^4+6x³-5x³-30x²+28x²+2x-10)/(x-5)-2≤0 (x^4+x³-2x²+2x-10-2x+10)/(x-5)≤0 (x^4+x³-2x²)/(x-5)≤0 x²(x²+x-2)/(x-5)≤0 x²+x-2=0⇒x1+x2=-1 u x1*x2=-2⇒x1=-2 u x2=1 x²(x+2)(x-1)/(x-5)≤0 x=0 x=-2 x=1 x=5 _ + + _ + - x∈(-∞; -2] u [1; 5) u {0}
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