zad 3 a) x¹⁰⁰*x⁴³*x¹⁵ = x¹⁰⁰⁺⁴³⁺¹⁵ = x¹⁵⁸ = x¹⁵⁸ = x¹⁵⁸ = (x⁵)²⁴*(x⁵)²*x²⁵ (x⁵*²⁴)*(x⁵*²)*x²⁵ x¹²⁰*x¹⁰*x²⁵ x¹²⁰⁺¹⁰⁺²⁵ x¹⁵⁵ x¹⁵⁸⁻¹⁵⁵ =x³ dla x=-⁴/₃ =(-⁴/₃)³=(-⁶⁴/₂₇)=(-2¹⁰/₂₇) b) y¹²*y¹²⁰*y¹³ = y¹⁴⁵ = y¹⁴⁵ =y³ dla x= -1½=-³/₂ y¹⁸*(y²)⁵⁰*y²⁴ y⁴²*y¹⁰⁰ y¹⁴² =(-³/₂)³=(-²⁷/₈)=(-3³/₈) zad4 a) [(a²*a³)²/(a³/a)²]*[(a²)³/a⁴]=[(a⁵)²/(a²)²]*[a⁶/a⁴]=[a¹⁰/a⁴]*a²=a⁶*a²=a⁸ b) [x²*y³]⁴/(x*y²)³ = (x²)⁴*(y³)⁴/x³/(y²)³ = x⁸*y¹²/x³/y⁶ = x⁵*y⁶ =x⁴*y⁴ (x³*y²)³/(x⁴*y²)² (x³)³*(y²)³/(x⁴)²/(y²)² x⁹*y⁶/x⁸/y⁴ x*y² c)?? zad5 x¹⁰/((x⁸/x⁵)*x⁵)= x¹⁰/(x³*x⁵)=x¹⁰/x⁸=x² dla x=-1½ =(-³/₂)²=⁹/₄=2¼ 2¼–100% y=⁹/₄*40/100=0,90 y-40%
x¹⁰:((x⁸/x⁵)*x⁵)=x¹⁰/(x³*x⁵)=x¹⁰/x⁸=x² x²=(-1,5)²=2,25 2,25*0,4=0,9
