Question

Me ajudem a resolver esta expressão por favor


(-1)^5/(-2)-^2+(0,1)-^2

com resposta de : 4/401

Answer 1

(-1)^5=-1
(-2)^(-2)=1/(-2)^2=1/4
(0,1)^(-2)=1/(0,1)^2=1/0,01=1/1/100=100

(-1)^5/[(-2)^(-2)+(0,1)^(-2)]=
=-1/((1/4)+100)  m.m.c.(1 , 4)=4
=-1/((1/4)+(400/4))
=-1/(401/4)
=-1.4/401
=-4/401