მასწავლებლის წიგნი

3 pirobiT, parabolis Stoebi qveviT yofila mimarTuli _ a0 utolobis amonaxsnTa simravlidan. vRebulobT x>3, x∈(3;+∞).b) |x–3|>0 nebismieri x≠3-isTvis. amrigad, x+5>0 utolobis amonaxsnebidan undagamovricxoT x=3. miviRebT simravles (–5; 3)∪(3; +∞).g) radgan |x 2 +2x–3|≥0 nebismieri x-sTvis, amitom, mocemuli utolobis amonaxsnebsmiviRebT x 2 +2x–3 samwevris nulebisa da x+4≤0 utolobis amonaxsnTa simravlisgaerTianebiT. samwevris nulebia –3 da 1, x+4≤0 utolobis amoxsniT vRebulobT:x∈(–∞; –4]. amrigad, x∈(–∞;–4]∪{–3; 1}.d) |x 2 –9|>0 nebismieri x≠3 da x≠–3-isTvis. amrigad, vxsniT utolobas x–10