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69

Centuries: 1st century BC - 1st century - 2nd century

Decades: 10s 20s 30s 40s 50s - 60s - 70s 80s 90s 100s 110s

Years: 64 65 66 67 68 - 69 - 70 71 72 73 74


Events

Births

Deaths


See also: 69 sex position



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Quadratic formula

... 4a2. We get <math>\left(x+\frac{b}{2a}\right)^2=\frac{-4ac+b^2}{4a^2}=\frac{b^2-4ac}{4a^2}.</math> Taking square roots of bo ...

 
 
 
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