Page 174 - aljaber

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. 151 > 150.5 = 1 ()

301 301 2

:( )

121 < 122 < 144 ⇔ 121 < 122 < 144 ()
⇔ 11 < 122 < 12

:( )

( )224 = 26 4 = (64)4
( )512 = 53 4 = (125)4
( )108 = 102 4 = (100)4

(64)4 < (100)4 < (125)4 64 < 100 < 125

. 224 < 108 < 512

.b < c +a b <c a>0 :( ) ( )
)
. ()

:( ) (

.p = 1 .0 < p <1 p

4

4>1 ( ) 1 > 1 ()

2 42

1 > 1 () b<0 1>4 ( ) )

64 16 4

.−b > 0 :( ) (

.a − b = a + (−b) > 0

.1 > 1 0<b <a :( ) ()

ba