inteleqti

1.5 n-uri xarisxis Nfesvi. fesvis Tvisebebi1) vTqvaT, n aris 1-ze meti naturaluri ricxvi. n-uri xarisxis fesvi aricxvidan ewodeba ricxvs, romlis n xarisxi aris a.magaliTad, –2 aris mexuTe xarisxis fesvi –32-dan; marTlac, (–2) 5 =–32.Tu a arauaryofiTi ricxvia, maSin yoveli n>1-sTvis arsebobs erTaderTiarauaryofiTi namdvili x ricxvi, romlisTvisac x n =a. am ricxvs ase CavwerT:nx= a , mas ariTmetikuli n-uri xarisxis fesvi vuwodoT.Tu a>0 da n luwia, maSin arsebobs n-uri xarisxis ori fesvi a-dan. erT–n nerTi (dadebiTi) aris a , meore (uaryofiTi) aris – a .kenti n-sTvis n-uri xarisxis fesvi a ricxvidan erTaderTia, mas aseCavwerT:n 3a . magaliTad, 8 =2, 3- 8 =–2, 3 a 3 =a.16 25 3sworia: ar aris swori:416 = 24=-481625 5 3 81=4625= !338 = 2- 8 =- 24316 = ! 2- 8 = 22x = | x |2x = ! x, roca x ! 0,2x = x, roca x < 0.ariTmetikuli fesvis Tvisebebi:Tu n>1, k>1, n∈N, k∈N, a≥0, b>0, maSinna a1.n n nab = a b, 2.nb=n ,b3.n k nka = a, 4.n nk ka = a .n k n5. a = _ ai ,kdavasabuToT, magaliTad, pirveli da mexuTe Tviseba.n n n1. ab = a $ bTu am tolobis orive mxares n-ur xarisxSi aviyvanT, miviRebT tol sidideebs,n n namasTanave, a $ 0, b $ 0, ab $ 0. amitom toloba WeSmaritia.n k nk5. a = ^ ahpirveli Tvisebis Tanaxmad, SeiZleba davweroT:kka = a$ a... a = a $ a...a = ^ ah144424443n n n n n nk Tanamamravli• SeecadeT daasabuToT sxva tolobebic.52