If a square-3a+1=0. Find a square+1/a square
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A=1
B=-3
C=1
B^2-4AC=(-3)^2 - 4×1×1=9-4=5
using quadrant formula
a=(-B+_√5)/2×1=(3+_√5)/2
=(3+√5)/2, (3-√5)/2
when a=(3+√5)/2
B=-3
C=1
B^2-4AC=(-3)^2 - 4×1×1=9-4=5
using quadrant formula
a=(-B+_√5)/2×1=(3+_√5)/2
=(3+√5)/2, (3-√5)/2
when a=(3+√5)/2
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