Răspuns:
a) a=4⁴⁰= (2²)⁴⁰=2⁸⁰
b=2⁸⁰
deci a=b
b) a=3⁸¹
b=9⁴⁰=(3²)⁴⁰=3⁸⁰
3⁸¹>3⁸⁰ deci a>b
c) a=25¹⁷=(5²)¹⁷=5³⁴
b=125¹¹=(5³)¹¹=5³³
5³⁴>5³³ deci a>b
d) a=49¹⁶=(7²)¹⁶=7³²
b=7³³
7³³>7³² deci b>a
e) a=81¹⁰=(3⁴)¹⁰=3⁴⁰
b=27¹³=(3³)¹³=3³⁹
3⁴⁰>3³⁹ deci a>b
f) a=64²⁰=(2⁶)²⁰=2¹²⁰
b=32²⁴=(2⁵)²⁴=2¹²⁰
deci a=b
Explicație pas cu pas:
Succes!!