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ledinhlocpt


a) $ a^2 $+$ b^2 $+$c^2 $ +1 \geq a(b+c+1)
b) $(x+y)^2 $ \geq 4xy
c) $\dfrac{a}{b}$ + $\dfrac{b}{a}$ > 2
d) $ a^3 $ + 8$ b^3 $ \geq 6a$ b^2 $
b) $(x+y)^2 $ \geq 4xy
c) $\dfrac{a}{b}$ + $\dfrac{b}{a}$ > 2
d) $ a^3 $ + 8$ b^3 $ \geq 6a$ b^2 $
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