题:已知正项数列{An}中,A1=1,2An²=An+1²+An-1²,n≥2,求A6
题:已知正项数列{An}中,A1=1,2An²=An+1²+An-1²,n≥2,求A6
正项数列{an},a1=1,2 an²=an+1²+an-1²,n≥2,求a6=?
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