Question

a=(-1)^2+(-1)^3+(-1)^4+(-1)^2•3•4​

Answer 1

$a = ( - 1) {}^{2} + ( - 1) {}^{3} + ( - 1) {}^{4} + ( - 1) {}^{2} \times 3 \times 4 = > a = - 1 - 1 + 1 + 1 \times 3 \times 4 = > a = - 1 + 12 = > a = 11.$