Are the numbers perfect cube? explain all . 
1-567
2-5998
3-98
4-87581390
5- 889745654816
 Explain all clearly

Asked by devenderldh | 23rd Jun, 2017, 12:09: PM

Expert Answer:

begin mathsize 16px style 567 equals 3 cross times 189
567 equals 3 cross times 3 cross times 63
567 equals 3 cross times 3 cross times 3 cross times 21
567 equals bold 3 bold cross times bold 3 bold cross times bold 3 cross times 3 cross times 7
These space are space prime space factorisation space of space 567.
Here comma space we space can space see space that space after space taking space 3 space we space have space only space once space 3 space and space 7.
Hence comma space 567 space is space not space perfect space cube.

Similarly space you space can space take space prime space factorisation space of space the space remaining space numbers
you space will space see space that space they space are space not space perfect space cube. end style

Answered by Sneha shidid | 23rd Jun, 2017, 12:50: PM

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