Question

Qual a integral indefinida da função ∫dx/x⁴  ?​
a) 1/5x⁵+c
b)1/3x³+c
c) - 1/3x³+c
d) 1/5x⁵+c

Answer 1

Resposta:

∫dx/x⁴  

∫x⁻⁴ dx

=x⁻⁴⁺¹/(-4+1) + c

=x⁻³/(-3) + c

=-x⁻³/3 + c

=-1/3x³ + c

Letra C