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- #1
Albert
Well-known member
- Jan 25, 2013
- 1,225
$a,y \in R$
$y=\sqrt {a^2+a+1} - \sqrt {a^2-a+1}$
please find the range of y
$y=\sqrt {a^2+a+1} - \sqrt {a^2-a+1}$
please find the range of y
$y=\sqrt{[a+(1/2)]^2+(\sqrt 3/2)^2} -\sqrt{[a-(1/2)]^2+(\sqrt 3/2)^2} $$a,y \in R$
$y=\sqrt {a^2+a+1} - \sqrt {a^2-a+1}$
please find the range of y