Question

Without actually finding the cubes find the value of (0.2)+(0.4)+(-0.6)

Answer 1

Answer:

Step-by-step explanation:

→ a³ + b³ + c ³ - 3abc = 0

→ 0.2 + 0.4 - 0.6  = 0

→ so ,

→ 3(0.2)0.4)(-0.6)

→ -0.144