Page 29 - aljaber

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a2 = a ×a
a3 = a ×a ×a .

.( ) n a
:

a =/ 0 am ×an = am+n
am = am−n
a =/ 0 an
a =/ 0
( )am n = amn
a =/ 0
a0 = 1
( )x2 3 × x 2 ( )
a−n = 1
an

n =1

a−1 = 1
a

: ()
33 × 35 ( )
35 ÷ 33 ( ) x5 ×x ( )

. 33 × 35 = 33+5 = 38 ()
. x 5 ×x = x 5+1 = x6 ()
. 35 ÷ 33 = 35−3 = 32 ()

( ). x 2 3 × x 2 = x 6 × x 2 = x 6+2 = x 8 ()