Ввёл Леонардо да Винчи. А придумал Пифагор.
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1
{-5-x≥3x+3⇒3x+x≤-5-3⇒4x≤-8⇒x≤-2
{2x-10x≥-7-1⇒-8x≥-8⇒x≤1
x∈(-∞;-2]
2
x≠-3 U x≠2
(-3x+1)(2-x)=(3x+1)(x+3)
-6x+3x²+2-x-3x²-9x-x-3=0
-17x1
x=-1/17
V(t) = x '(t) = (t²)' -13(t)' + 23' = 2t - 13
V(1) = 2 * 1 - 13 = - 11
<span>1*e^1=e^1=e....................</span>