Question

plsssssssss help me friends

Answer 1

Heya!!Here is your answer friend ⤵⤵

$given \: a = 1 \: b = - 2 \: and \: c = - 3 \\ putting \: in \: the \: eq \\ \ (1) {}^{3} + ( - 2) {}^{3} + ( - 3) {}^{3} - 3 \times 1 \times - 2 \times - 3 \\ ................................................................ \\ 1 \times - 2 + - 2 \times - 3 + ( - 3) \times 1 - (1 + 4 + 9) \\ \\ 1 - 8 - 27 - 18 \\ ........................... \\ - 2 + 6 - 3 - 14 \\ \\ 5 \ 2 \div 13 \\ \\ hence \: \: \: answer \: is \: 4$