Question

Resolva a equação em C :
$x^{3} - 7 x^{2} + 10x =0$
resp. S = {0;2;3}

Answer 1

Fórmula de Bhaskara:
x^3-7x^2+10x=0

/\= b^2-4ac
/\= 49-40
/\=9

x'= -(-7)+-$\sqrt{9}/2* 1$
x'=7+-3/2
x'=7+3/2
x'=10/2
x'= 5

x''=7-3/2
x''=4/2
x''=2