<prompt> Acha r iwe suluhu halisi chanya kwa x3 frac25 x - 1 0. Tafuta thamani kamili ya nambari yar2 2r5 3r8 4r11 dotsb.  <response>: Acha S r2 2r5 3r8 4r11 dotsb. Kishar3 S r5 2r8 3r11 4r13 dotsb.Kuondoa mlingano huu kutoka S r2 2r5 3r8 4r11 dotsb, tunapataS 1 - r3 r2 r5 r8 r11 dotsb fracr21 - r3.Kwa hiyo ,S fracr21 - r32.Tangu r3 frac25 r - 1 0, 1 - r 3 frac25 r. Kwa hiyo,S fracr2frac425 r2 frac254. 