Question

without actual calculating the cubes find the value of each of the following (0.2)3-(0.3)3+(0.1)3​

Answer 1

Answer:

-0.018

Step-by-step explanation:

Here sum of a+b+c= 0

so, we can apply.

if a+b+c= 3abc

= 3 (0.2)(-0.3)(0.1)

= -0.018