F( -2) = f(2)
проверим
f(-2) = (-2)² + 4=4+4=16
f(2) = 2²+4=4+4=16
16=16
f(-2) = f(2)
Да, верно
<span>H=(V-4a^2)/a=v/a-4a
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64a-a³=a(64-a²)=a(8²-a²)=a(8-a)(8+a)
<span>1-3x+c-3xc/9x^2-6x+1= ((1-3х)</span>+с(1-3х))/(3х-1)<span>^2= (1+с)(</span>1-3х)/(3х-1)<span>^2= (1+с)/</span>(1-3х)