Question

n (n-1 )=132 me ajudem ai por favor

Answer 1

$n(n - 1) = 132 \\ {n}^{2} - n - 132 = 0$
delta = 1 - 4×1×(-132)=1+ 528=529

$n = \frac{1 + 23}{2} = \frac{24}{2} = 12 \\ \\ n = \frac{1 - 23}{2} = \frac{ - 22}{2} = - 11$


S = {- 11, 12}