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compara nr a=3^120 b=2^180 ​

Răspuns :

Răspuns:

3¹²⁰=(3²)⁶⁰=9⁶⁰

2¹⁸⁰=(2³)⁶⁰=8⁶⁰

9 > 8

3¹²⁰ > 2¹⁸⁰

Explicație pas cu pas:

[tex] {3}^{120} si {2}^{180} \\ \\ \\ 120 = {60}^{2} \\ 180 = {60}^{3} \\ \\ {3}^{120} = ( {3}^{2} ) {}^{60} = {9}^{60} \\ {2}^{180} = ({2}^{3} ) {}^{60} = {8}^{60 } \\ \\ {9}^{60} > {8}^{60} = > \: {3}^{120} > {2}^{180} [/tex]