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pasangkan saja mas ...
maka persamaan
totalnya (x+1/x)² -2 +(x+1/x) +1 = (x+1/x)²+(x+1/x)-1=a+b . x
(x+1/x)(x+1/x+1)-1=a+b.x .... x²+1+x+1+1/x²+1/x-1=a+b.x
3+1+√3+1+1/3+1/√3-1=a+b√3
7/3 +√3+1/√3=a+b√3 kalikan √3 menjad9 (7/3)√3+3+1=a√3+b
dapat disimpulak a=7/3 dan b=4