Question

(a -3b)3 + (3b – 5c) 3 + (5c – a) 3 =​

Answer 1

★Question:

$\\ (a -3b)3 + (3b – 5c) 3 + (5c – a) 3$

★Answer:

$\\ (a -3b)3 + (3b – 5c) 3 + (5c – a) 3  \\ = 3a - 9b + 9b - 15c + 15c - 3a \\ = 0(ans)$