Page 33 - E booklet prep 2_Neat
P. 33

Operations on the cube roots

1) 3v?? × 3v?? = 3v????
?????? ??????????????:
? 3v3 × 3v9 = 3v3 × 9 = 3v27 = 3
? 3v2 × 3v-4 = 3v2 × -4 = 3v-8 = -2

? 3v16 = 3v8 × 3 = 23v2
? 3v-54 = 3v-27 × 2 = -33v2

2)  3v??      =  3v????
    3v??

?????? ??????????????:

?   3v32      =  3v32    =  3v8 = 2
    3v4
                     4

?   3v54      =  3v45 =         3v27 =  -3
    3v-2
                    -2

?   3v 8 =       3v-27      =   -3
                  3v64           4
       125

?   3v- 27 =             3v-27  =  -3
                          3v64      4
           64

                         1ST TERM           MATH-PREP.2

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