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
33 | P a g e