<span>а²+14а+49=(a+7)(a+7)</span>
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-1/2 !/72+4!/0.08 -2!/2=
=-1/2!/2×36 +4!/2×0.04-2!/2=
=-1/2×6!/2 +4×0.2!/2-2!/2=
=-3!/2+0.8!/2 -2!/2=-4.2!/2
y = 2ˣ и y = 4ˣ
2ˣ = 4ˣ
2ˣ = 2²ˣ
x = 2x
x = 0
y = 2⁰ = 1
Ответ: точка пересечения одна А(0; 1)