Question

1/2cube+1/3cube-5/6cube​

Answer 1

Answer:

if a + b + c = 0 , then a^3 + b^3 + c ^3 = 3abc

here ,  

a = 1/2  

b =1/3

C = -5/6  

addition of a , b and c will give 0 .

so , ans. = 3abc  

= 3* (1/2)* 1/3 * -5/6 = -5 / 12