<prompt> Acha a_0-2,b_01, na kwa ngeq 0, wachaanzaaligna_n1a_nb_nsqrta_n2b_n2,b_n1a_nb_n-sqrta_n2 b_n2.endalignTafuta frac1a_2012 frac1b_2012.  <response>: Tuna hiyoanzaalignfrac1a_n 1 frac1b_n 1 frac1a_n b_n sqrta_n2 b_n2 frac1a_n b_n - sqrta_n2 b_n2 fraca_n b_n - sqrta_n2 b_n2 a_n b_n sqrta_n2 b_n2a_n b_n2 - a_n2 b_n2 frac2a_n 2b_n2a_n b_n frac1a_n frac1b_n.endalignKwa hivyo, frac1a_n frac1b_n ni ya kudumu, ambayo inamaanishafrac1a_2012 frac1b_2012 frac1a_0 frac1b_0 frac1 2. 