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an+1 9. Folosind formula 1 +a+a² + a² + ... + a² a-1 L a) √√x+1, unde x = 1 +2 +2²+2³+...+ 2201. L b) √2x+1, unde x = 1 + 3 + 3² +33 + ... + 3249, c) ₁ √√4x+1, unde x = 1 +5+5² +53 +...+5359. d) √√8x+1, unde x = 1 + 3² +34 +36 +...+398. 9​

An1 9 Folosind Formula 1 Aa A A A1 L A X1 Unde X 1 2 22 2201 L B 2x1 Unde X 1 3 3 33 3249 C 4x1 Unde X 1 55 53 5359 D 8x1 Unde X 1 3 34 36 398 9 class=